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Clear & Cold Tonight
Sunny Wednesday - Cold Start but Warming up into the 60s.
Widespread Frost
Last Complete Site Update: 10/06 - 4:14 PM
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Active Hazards, Advisories, and/or warnings
Frost Advisories are active for those who have not seen one yet. Find them all here.
Freeze Warning in the Berkshires
None
If the alert below is flashing, then the warnings/advisories above are active. Use those links to go to that hazard page.
The trees are in their autumn beauty, The woodland paths are dry,
Under the October twilight the water Mirrors a still sky.
- William Butler Yeats
Today’s Weather at a Glance
Updated Every Morning and as Needed Through the Day
(Averages Across Southern NH)
57Degrees
High Temperature
0%
Probability of Precipitation - Daytime
33Degrees
Low Temperature
0%
Probability of Precipitation - Nighttime
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Today in Peterborough, NH at a Glance
Today in Nashua, NH at a Glance
Your Daily Forecast - Three Days at a Time
Monday/Monday Night - October 12
Nashua - East
Peterborough - Central/West
Tuesday/Tuesday Night - October 6
Nashua - East
Areas of frost after 5am. Otherwise, clear, with a low around 35. West wind around 5 mph becoming calm in the evening.
Peterborough - Central/West
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 32. West wind around 5 mph becoming calm in the evening.
Wednesday/Wednesday Night - October 7
Nashua - East
Areas of frost before 8am. Otherwise, sunny, with a high near 66. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Partly cloudy, with a low around 50. Southwest wind around 5 mph.
Peterborough - Central/West
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 62. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Partly cloudy, with a low around 47. Southwest wind 5 to 10 mph.
Thursday/Thursday Night - October 8
Nashua - East
Sunny, with a high near 73. Southwest wind 5 to 10 mph.
Mostly clear, with a low around 46. West wind around 5 mph.
Peterborough - Central/West
Sunny, with a high near 67. West wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly clear, with a low around 44. West wind around 5 mph.
Friday/Friday Night - October 9
Nashua - East
Sunny, with a high near 66.
Peterborough - Central/West
Sunny, with a high near 61.
Saturday/Saturday Night - October 10
Nashua - East
Peterborough - Central/West
Sunday/Sunday Night - October 11
Nashua - East
Peterborough - Central/West
Current Weather Readings in Peterborough, NH
Time of the readings below: 6 Oct 2026 5:43 PM
(FYI: The number in parentheses is the change in the last hour)
(Note: My weather Instruments are Offline from Midnight Wednesday to 7AM Thursday for system Back ups.)
Current Temperature:
54.6°F (-1.5)
High Temperature:
56.9 at 3:38 PM
Low Temperature:
40.9 at 7:36 AM
Precipitation Today:
0.00 inches
Current Dewpoint:
31.4°F (0.5)
Lowest Wind Chill Reading:
40.8 at 7:42 AM
Current Windspeed:
0 MPH (-1)
Barometric Trend:
Steady
Hours of Daylight Today:
11:27
Link to my Active Weather Instruments
Information for New England
Seven Day Temperature Outlook - Manchester NH & Southern New England
Daily Almanac Peterborough, NH
Daily Almanac Nashua, NH
Current Northeast Radar
Expected Temperature Range
Health/Sports - The Five Day Allergy & NFL Football Weather by Game
Rich's Weather Discussion
New Hampshire/North Briefing
Massachusetts/South Briefing
At this moment: 10/06 - 4:14 PM
Notes from Rich:
What is the 'Regular’ Schedule.
Weekdays: Morning updates each day before 8AM, Evening Updates before 7PM.
On Weekends: Perhaps a bit later. I like to sleep in.
Every Thursday morning I post the daily forecast through the weekend.
Upcoming Site Update Schedule Changes:
I need a forecasting break! Even I get tired of the weather! Starting on October. 11 I will update the daily forecast for the next seven days. There will be no site updates through October 16. Site updates will begin again on October. 17 with minimal breaks through the winter months. During this break period my weather instruments will be offline for annual maintenance. Thank you!
Tonight will be the coldest night of the season so far for many areas. Clear skies and light winds will allow temperatures to drop to near or below freezing, especially inland. Freeze Warnings are in effect for interior Cumberland and Androscoggin counties, while Frost Advisories remain in effect for other areas. Warmer weather arrives Wednesday and Thursday, with temperatures reaching the 60s and lower 70s before a possible return to unsettled weather early next week.
In addition, I am watching a developing system in the Gulf of America. Tropical Storm development is likely. This system "may" bring rain to Southern NE. Stay tuned.
10/02 - I have updated the Drought Information.
Site changes coming up:
I will be dropping the daily Beach report and the Allergy Reports beginning in October.
The Flu report will replace the pollen data. Find them Here
I have added NFL Football Weather for each game- Updated weekly/daily as needed - Find the list here
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On this day in history:
On this day in 1927, The Jazz Singer premiered, starring singing star Al Jolson in what is widely celebrated as the first feature-length "talkie."
Weather Summaries and Full Area Forecast Discussions - North (Edited)
Summary - Northern New England - New Hampshire and Maine
Summary:
The coldest air mass of the season so far is moving into Maine and New Hampshire, with frost and freezing temperatures likely tonight, especially inland where skies clear and winds become light. Warmer weather returns Wednesday and Thursday, with a few showers possible Thursday as a cold front crosses the region. High pressure should bring seasonable weather for the weekend, followed by a possible period of unsettled weather and meaningful rainfall early next week.
Key Messages:
- The coldest air mass of the season so far spreads across the region today and tonight. Frost is likely.
- Warmer weather arrives Wednesday and especially Thursday. A cold front may bring a few showers on Thursday.
- High pressure is likely over the weekend with seasonable temperatures. Low pressure may bring unsettled weather at the start of next week.
What has changed since the last Forecast Update?
No notable changes were made to the ongoing forecast. Freeze Warnings were issued for Androscoggin and parts of Cumberland County because strong radiational cooling is expected there. Radiational cooling occurs when clear skies and light winds allow heat at the surface to escape rapidly, causing temperatures to fall sharply overnight. Frost Advisories from the previous forecast update remain in place elsewhere.
What this means for you:
Tonight will be the coldest night of the season so far for many areas. Clear skies and light winds will allow temperatures to drop to near or below freezing, especially inland. Freeze Warnings are in effect for interior Cumberland and Androscoggin counties, while Frost Advisories remain in effect for other areas. Warmer weather arrives Wednesday and Thursday, with temperatures reaching the 60s and lower 70s before a possible return to unsettled weather early next week.
Click the Open/Close Button to Display the Full Edited Area Forecast Discussion
**Area Forecast Discussion, National Weather Service Gray ME, 236 PM EDT Tuesday, October 6, 2026**
**What has Changed**
No notable changes were made to the ongoing forecast. Freeze Warnings were issued for Androscoggin and parts of Cumberland County because strong radiational cooling is expected there. Radiational cooling occurs when clear skies and light winds allow heat at the surface to escape rapidly, causing temperatures to fall sharply overnight. Frost Advisories from the previous forecast update remain in place elsewhere.
**Key Messages**
1. The coldest air mass of the season so far spreads across the region today and tonight. Frost is likely.
2. Warmer weather arrives Wednesday and especially Thursday. A cold front may bring a few showers on Thursday.
3. High pressure is likely over the weekend with seasonable temperatures. Low pressure may bring unsettled weather at the start of next week.
**Discussion**
**Key Message 1**
Today, satellite imagery shows mostly clear skies across New Hampshire and Maine south of the mountains. Upslope flow over the mountains, meaning winds pushing air upward along the terrain, is allowing gravity waves to develop and producing mostly cloudy skies north of the mountains.
Gusty northwest winds are expected this afternoon, but those winds should taper off overnight as high pressure briefly moves overhead. High pressure is an area of sinking air that generally brings more stable and quieter weather.
The combination of clearing skies and calmer winds could produce strong radiational cooling Tuesday night, especially south of the mountains where skies are clearer. Low temperatures could fall near freezing even along the coast.
Freeze Warnings have been issued for interior Cumberland and Androscoggin counties, where temperatures are most likely to fall below freezing because of exceptionally calm winds. Frost Advisories remain in effect elsewhere, where light winds may continue through the night in Augusta and along the immediate coast.
**Key Message 2**
High pressure passing south of New England will bring southwest winds on Wednesday. These winds could become quite breezy along the coast, with gusts of 25 MPH possible in Casco Bay and the Midcoast.
The warmer winds should produce a sharp rebound from the near-freezing temperatures expected Wednesday morning. Temperatures should reach the upper 50s across central Maine, with readings in the mid-60s elsewhere.
A cold front will cross New England early Thursday morning, bringing the possibility of some showers. A cold front is the boundary between different air masses and often brings a change in temperature, wind, or precipitation.
Despite the frontal passage, high pressure to the south should maintain southerly winds and continue the warmer temperature trend through Thursday. Temperatures are expected to reach the upper 60s and lower 70s.
**Key Message 3**
High pressure moves overhead for the weekend. Approaching high pressure should bring some cold air advection and northwest winds on Friday. Cold air advection means winds are transporting colder air into the region.
These winds will help keep temperatures seasonable on Friday and Saturday. The high pressure system is expected to move southeast on Saturday, allowing warmer southerly winds to return.
This return flow, along with mid-level ridging, is likely to bring above-average temperatures Sunday and into early next week. Mid-level ridging refers to an area of higher pressure several thousand feet above the surface, which generally favors sinking air and more stable weather.
Forecast guidance also suggests a low pressure system could move into the region Monday afternoon and bring unsettled weather. Considerable uncertainty remains at this time, but this system could provide the next opportunity for meaningful rainfall.
Weather Summaries and Full Area Forecast Discussions - South (Edited)
Summary - Southern New England - Massachusetts/Northern CT/Rhode Island
Summary:
A chilly night is ahead with widespread frost outside the urban areas, followed by a sunny and milder Wednesday with temperatures rising into the 60s. Thursday will remain mild with only a very small chance of a shower. Much of the holiday weekend currently looks dry, although the possibility of rain late Sunday into Monday will need to be monitored.
Key Messages:
- Dry and chilly tonight with widespread frost outside the urban centers. Sunny and becoming breezy Wednesday with milder high temperatures reaching well into the 60s. Much milder Wednesday night with southwest winds holding low temperatures mainly in the upper 40s to lower 50s.
- Very low chance of a spot shower Thursday, otherwise a mild day. An early look at the holiday weekend favors dry weather, though late Sunday into Monday bears watching for rain.
What has changed since the last Forecast Update?
No significant changes to the forecast.
What this means for you
Tonight will be cold enough for frost and some freezing temperatures away from the cities, especially in typically colder locations. Wednesday will bring a welcome rebound with sunshine, milder temperatures and some afternoon wind. Thursday should be mostly dry, and there is no reason to change outdoor plans for the holiday weekend at this time, although rain could become a concern late Sunday or Monday.
Click the Open/Close Button to Display the Full Edited Area Forecast Discussion
Area Forecast Discussion, National Weather Service Boston/Norton MA, issued by National Weather Service New York NY,
4:07 PM EDT Tuesday, October 6, 2026
**WHAT HAS CHANGED**
No significant changes were made to the forecast.
**KEY MESSAGES**
1. Dry and chilly tonight with widespread frost outside the urban centers. Sunny and becoming breezy Wednesday with milder high temperatures reaching well into the 60s. Much milder Wednesday night with southwest winds holding low temperatures mainly in the upper 40s to lower 50s.
2. Very low chance of a spot shower Thursday, otherwise a mild day. An early look at the holiday weekend favors dry weather, though late Sunday into Monday bears watching for rain.
**DISCUSSION**
**KEY MESSAGE 1**
Dry and chilly conditions are expected tonight with widespread frost outside the urban centers. Wednesday will be sunny and increasingly breezy, with milder temperatures reaching the 60s. Wednesday night will be much milder.
A large area of high pressure builds overhead tonight. Combined with the dry and cool air mass, mainly clear skies will allow strong radiational cooling, meaning heat will escape quickly from the ground under clear skies. This will produce an unusually chilly night for early October.
Low temperatures should fall well into the 30s across many locations, with some upper 20s possible in the normally coldest low-lying areas of western Massachusetts. Frost and freeze headlines are in effect for much of the region outside the urban heat islands. Downtown Boston will be the mildest area, with temperatures only falling into the middle 40s.
The high pressure system moves east of the region Wednesday, allowing southwest winds to bring milder air back into New England. Sunny skies and warming temperatures several thousand feet above the ground will help temperatures recover nicely. Highs should reach the lower 60s in the higher terrain and the middle to upper 60s across most other locations.
It will become somewhat breezy Wednesday afternoon, with forecast guidance supporting southwest wind gusts of 20 to 25 MPH. Overall, Wednesday should be a very pleasant fall day.
A modest southwest low-level jet, meaning a band of stronger winds a few thousand feet above the ground, will develop Wednesday night ahead of an approaching cold front. These stronger winds should keep the surface air mixed rather than allowing temperatures to fall rapidly. As a result, Wednesday night will be much milder than tonight, with lows mainly in the upper 40s and lower 50s.
**KEY MESSAGE 2**
There is a very low chance of a spot shower Thursday, otherwise conditions should remain mild. An early look at the holiday weekend favors dry weather, although late Sunday into Monday bears watching for rain.
There are few changes to the extended forecast. A vertically stacked low pressure system near Hudson Bay will send a few subtle disturbances, known as shortwaves, through New England Thursday. Limited moisture should prevent significant rainfall, although an isolated shower cannot be ruled out.
Forecast guidance does not strongly show this possibility, but some higher-resolution computer models indicate a low-end chance of showers during the day Thursday associated with a surface cold front. Southwest winds higher in the atmosphere will also bring somewhat higher levels of atmospheric moisture into the region.
Because of this setup, there is a slight chance of precipitation, around 15 to 20 percent. This is far from a washout, and much of the region should remain dry for most or all of Thursday. The overall pattern simply favors the possibility of a few isolated showers.
Otherwise, dry weather is expected Friday through the beginning of the holiday weekend.
Forecast uncertainty increases late Sunday into Columbus Day. Much will depend on the potential development of a tropical system over the Bay of Campeche. Development of AL92 is expected, and if the system becomes a named storm, it would be called Isaias.
Some forecast guidance brings leftover tropical moisture northward into southern New England sometime late Sunday night or Monday. Other solutions keep the moisture suppressed to the south as a strong area of high pressure, around 1030 millibars, extends across much of southern Canada.
There is plenty of time to monitor how this develops, and there is currently no reason to change outdoor plans for the holiday weekend.
Temperatures will remain typical of fall, with highs mainly in the middle to upper 60s, except for upper 60s to middle 70s Thursday. Overnight lows will generally be in the upper 40s and 50s, although cooler temperatures in the upper 30s to middle 40s are possible Friday night into Saturday morning. Even colder conditions could develop in areas where strong radiational cooling occurs beneath the surface high pressure system.
Countdown to Winter
Winter Begins on: December 21, 2026 at 4:50 PM EST
90Days14Hours6Mins14Secs
Five Day Daily Temperature Run - Peterborough, NH
Updated Every Morning
Normal Daily Averages
High Temperature: 62 Degrees - Low Temperature: 39 Degrees
(Tip: Place your cursor over the bar below to see the number)
Weather News/Headlines of Interest -
Updated Daily
Fall chill grips millions across the East as temperatures tumble toward first October frost
Florida faces flood threat as relentless rain targets state through the end of the week
Coldest air of the season to bring frost, freeze risk to Northeast, Great Lakes
Gulf tropical trouble could unleash significant flooding in southeastern US
Much colder air, snow coming to western US in dramatic weather shift
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