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Mostly Clear & Cold Tonight

Early AM Fog - Partly Sunny Wednesday

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Last Complete Site Update: 10/27 - 4:04 PM

Weather for New England and the Northeast

Updated Twice per day

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If the alert below is flashing, then the warnings/advisories above are active. Use those links to go to that hazard page.
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October is crisp days and cool nights, 
a time to curl up around the dancing flames and sink into a good book.
 - John Sinor

Today’s Weather at a Glance

Updated Every Morning and as Needed Through the Day

(Averages Across Southern NH)
53Degrees
High Temperature
0%
Probability of Precipitation - Daytime
26Degrees
Low Temperature
0%
Probability of Precipitation - Nighttime
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Today in Peterborough, NH at a Glance

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Today in Nashua, NH at a Glance

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Your Daily Forecast - Three Days at a Time

No active advisories at this time

None

Monday/Monday Night - November 2

Nashua - East

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Peterborough - Central/West

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Tuesday/Tuesday Night - October 27

Nashua - East

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Mostly clear, with a low around 26. Calm wind.

Peterborough - Central/West

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Mostly clear, with a low around 25. Calm wind.

Wednesday/Wednesday Night - October 28

Nashua - East

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Patchy fog before 9am. Otherwise, increasing clouds, with a high near 56. Calm wind.

AnPartlyCloudy

Mostly clear, with a low around 39. Calm wind.

Peterborough - Central/West

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Increasing clouds, with a high near 55. Calm wind becoming southwest around 5 mph.

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Mostly clear, with a low around 39. Calm wind becoming southwest around 5 mph.

Thursday/Thursday Night - October 29

Nashua - East

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Sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon.

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Mostly clear, with a low around 53. Southwest wind around 5 mph.

Peterborough - Central/West

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Sunny, with a high near 64. Southwest wind 5 to 10 mph.

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Mostly clear, with a low around 51. Southwest wind around 5 mph.

Friday/Friday Night - October 30

Nashua - East

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Sunny, with a high near 68.

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Mostly clear, with a low around 36.


Peterborough - Central/West

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Sunny, with a high near 64.

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Mostly clear, with a low around 35.

Saturday/Saturday Night - October 31

Nashua - East

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Peterborough - Central/West

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Sunday/Sunday Night - November 1

Nashua - East

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Peterborough - Central/West

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Current Weather Readings in Peterborough, NH

Time of the readings below: 28 Oct 2026 3:40 AM

(FYI: The number in parentheses is the change in the last hour)
(Note: My weather Instruments are Offline from Midnight Wednesday to 7AM Thursday, weekly, for system Back ups.)

Current Temperature: 

29.0°F (-0.8)

High Temperature:

31.9 at 12:08 AM

Low Temperature:

28.9 at 3:38 AM

Precipitation Today:

0.00 inches

Current Dewpoint:

24.8°F (-0.2)

Lowest Wind Chill Reading:

28.9 at 3:38 AM  

Current Windspeed:

0 MPH (0)

Barometric Trend:

Steady

Hours of Daylight Today:

10:26

Link to my Active Weather Instruments

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Information for New England

Rich's Weather Discussion

New Hampshire/North Briefing

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Massachusetts/South Briefing

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At this moment: 10/27 - 4:05 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 & General Messages: 

Back to the normal schedule.

A sunny, cool autumn afternoon is underway across Southern New Hampshire, with high pressure keeping skies clear and conditions dry. Current temperatures are 52 degrees in Keene and 56 degrees in Nashua. Abundant sunshine has made for a pleasant fall afternoon, although temperatures are running cool, especially in the more elevated and interior areas.

Temperatures will drop quickly after sunset, with mostly clear skies and overnight lows expected to reach the 20s in many locations. No precipitation is expected, and quiet weather should continue into Wednesday. If you are heading out this evening or early tomorrow morning, be sure to dress warmly, as temperatures will approach freezing or fall below it in some areas.

Weather models have consistently suggested that a wetter pattern could develop as November begins. This is the period to watch for the next opportunity for more substantial rainfall after an extended stretch of mostly dry weather. The timing and coverage of any rainfall remain uncertain, so future forecasts will help clarify how likely a more widespread rain event will be.

Some Pumpkin Help.
How do you know when it’s time to carve your pumpkin? Now that we’re under the two-week mark until Halloween, it’s a pretty natural question to ask. And I think that, for many of us, the answer is that we carve our pumpkins when we have free time, quite possibly on the weekend before Halloween. Which, it turns out, can be fine, or it can be a recipe for scary (but not in a good way) jack-o-lanterns.
Here’s the deal: Pumpkins are extremely hardy when they are intact. But once we start gouging holes in them and ripping out their innards, a whole new chemistry starts taking place. As the moist inner walls of pumpkin flesh get exposed to the elements, a lifespan of months gets reduced to just a few days. And how fast that happens comes down to the weather.
In cool, crisp autumn air, bacteria and mold move slowly, and a carved pumpkin can hold up for five to seven days (up to 10 in ideal conditions). But when it's warm and humid, with temperatures in the 60s and 70s or higher, pumpkins can soften and grow mold in a hurry. If that's your forecast, wait until a day or two before Halloween to carve, or bring your pumpkin indoors during the warmest part of the day.
Rain and freezing temperatures are the other things to watch. Heavy rain or dew can make the bottom and cut edges rot quickly, and a hard freeze can turn the flesh to mush once it thaws. The solution? After you’ve carved your masterpiece, keep an eye on the hourly forecast, and bring the pumpkin in for the night when either rain or freezing temps threaten.
Finally, if you really want to take care of your jack-o-lantern, here are a couple of pro-level tricks you can try. 1: Sanitize by wiping the inside and cutting the pumpkin’s edges with a diluted bleach-and-water solution to kill mold spores. 2: Seal the edges by rubbing vegetable oil or petroleum jelly on the cuts to lock in the pumpkin’s natural moisture. 3: Instead of a candle, which will dry out and cook the inside of the pumpkin, try using a battery-operated LED tea light instead.
Good luck, and may your pumpkin look fresh and perfect on its big night!

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The History Section has a lot of history to share, and I will be sharing video on this page from time to time. Updated every day with new weather history.
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Find all Tropical Tracking/Hurricane information on the Tropics Page.
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On this day in history:
On this day in 1682, William Penn arrived in his new colony of Pennsylvania, where he laid out Philadelphia. By the American Revolution, it was the largest city in the 13 colonies.

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Weather Summaries and Full Area Forecast Discussions - North (Edited)

Summary - Northern New England - New Hampshire and Maine

Summary:
High pressure will keep New England mostly dry and quiet through the coming week, with no significant weather impacts expected. Tonight will likely bring the coldest temperatures of the season so far, with widespread readings in the 20s and some northern valleys dropping into the teens. Temperatures will rebound into the 60s and locally 70s Thursday ahead of a mostly dry cold front. More typical late October temperatures will return for Halloween weekend, with a potentially more active weather pattern developing in early November.

Key Messages:

High pressure will continue to control the weather through the coming week. Expect dry conditions and no significant weather impacts.

What has changed since the last Forecast Update?
No significant changes have been made to the forecast with this update.

What this means for you:
Prepare for a chilly night, especially across northern and interior areas, where temperatures could fall into the teens and 20s. A little patchy fog is possible around sunrise Wednesday, mainly south of the mountains. The end of the week will turn much warmer before temperatures settle back to more typical late October levels for Halloween weekend. Overall, expect mostly dry weather with few disruptions to outdoor plans.

Click the Open/Close Button to Display the Full Edited Area Forecast Discussion

Area Forecast Discussion, National Weather Service Gray, Maine

Date and Time: 2:18 PM EDT Tuesday, October 27, 2026

What Has Changed


No significant changes to the forecast with this update.

Key Messages

1\. High pressure will continue to control the weather through the coming week. Expect dry conditions and no significant weather impacts.

Discussion

Key Message 1: A Quiet Weather Pattern Continues


High pressure will settle over the region tonight, setting the stage for what will likely be the coldest night of the season so far for most locations. Temperatures will fall into the 20s across much of the area, with some northern valleys dropping into the mid to lower teens.

We are also nearing the end of the season when radiation fog is most common. Radiation fog forms when the ground cools overnight and chills the air near the surface. A few hours of patchy fog around sunrise Wednesday are still possible, especially south of the mountains.

The next cold front will approach Thursday into Friday. Winds from the southwest ahead of the front will bring a significant warmup, with temperatures climbing into the 60s and reaching the 70s in some locations. The front itself is expected to produce little precipitation, although a few showers are more likely in the mountains and areas farther north.

Colder air will arrive first north of the mountains, bringing temperatures closer to seasonal averages there on Friday. Southern portions of the forecast area will remain unusually warm.

High pressure will return for Halloween weekend, bringing temperatures more typical of late October. Looking ahead to early November, the weather pattern may become more active again, although that would be a change from the unusually quiet conditions of the past couple of weeks.

Weather Summaries and Full Area Forecast Discussions - South (Edited)

Summary - Southern New England - Massachusetts/Northern CT/Rhode Island

Summary:
Southern New England will remain dry through the weekend, with a noticeable warmup Thursday and Friday. Friday looks to be the warmest day of the week, with temperatures reaching the upper 60s to lower 70s in many areas, accompanied by gusty winds. Cooler, seasonable temperatures return for the weekend. The weather pattern may become more unsettled early next week, bringing periodic chances for rain, although the timing remains uncertain.

Key Messages:

- Dry weather will continue through the weekend. Warmer temperatures return Thursday and Friday, with gusty winds expected Friday. Seasonable temperatures return for the weekend.
 - A more unsettled weather pattern may develop early next week, bringing periodic chances for rain. Confidence in the exact timing remains low.

What has changed since the last Forecast Update?
The Small Craft Advisory for the eastern coastal waters has been extended through 2:00 PM EDT today. Otherwise, the forecast remains on track.

What this means for you
Expect a chilly night tonight, with temperatures dropping into the 20s and 30s in many locations. Wednesday stays dry and seasonably cool, followed by milder weather Thursday and Friday. Friday will be breezy and potentially quite windy at times, so secure loose outdoor items. The weekend looks dry and comfortable for late October, but keep an eye on the forecast as rain chances may return early next week.

Click the Open/Close Button to Display the Full Edited Area Forecast Discussion

Area Forecast Discussion, National Weather Service Boston/Norton MA

Date and Time: 2:45 PM EDT Tuesday, October 27, 2026

What Has Changed


The Small Craft Advisory for the eastern coastal waters has been extended through 2:00 PM EDT today. Otherwise, the forecast remains on track.

Key Messages

Dry weather will continue through the weekend. Warmer temperatures return Thursday and Friday, with gusty winds expected Friday. Seasonable temperatures return for the weekend.

A more unsettled weather pattern may develop early next week, bringing periodic chances for rain. Confidence in the exact timing remains low.

Discussion

Key Message 1: Dry Weather Through the Weekend, Warmer Thursday and Friday


High pressure at the surface and a ridge of higher pressure in the middle levels of the atmosphere will keep conditions mainly dry through the weekend. Clear skies will allow temperatures to fall quickly at night, with tonight likely to be the coldest night of the week.

Cool air, light winds, and mostly clear skies will allow heat to escape efficiently after sunset. Overnight lows will generally fall into the 20s and 30s. Higher elevations, valleys, and other colder locations could see temperatures in the mid to upper 20s, with a few inland spots potentially dipping into the lower 20s.

Dry weather and seasonably cool temperatures will continue Wednesday. A ridge of higher pressure moving east will bring slightly warmer air, allowing afternoon highs to climb a few degrees compared with Tuesday.

The warming trend will continue late in the week. Thursday should see highs in the mid-60s, along with breezy northwest winds. Friday is shaping up to be the warmest day of the week, with highs reaching the upper 60s to lower 70s in many locations. Westerly winds will help mix warmer air down toward the ground, producing gusty conditions.

Forecast guidance continues to show a 50 to 75 percent or greater chance of temperatures reaching at least 70 degrees, especially in valleys and urban areas along the Interstate 95 corridor. The combination of warmer air and winds descending from higher terrain supports the potential for an unusually mild late-October day.

A weak disturbance and cold front will move through Friday night. This system is expected to bring little moisture, so widespread rainfall is not anticipated. Temperatures will return to the lower 60s over the weekend, which is typical for late October.

Key Message 2: Rain Chances May Return Early Next Week

The weather pattern is expected to become more unsettled early next week. Forecast models generally agree that several disturbances, known as shortwave troughs, may move through the region. These are smaller areas of lower pressure in the atmosphere that can help produce clouds and precipitation.

As these disturbances pass through, periodic chances for rain may develop during the week. However, forecast models still disagree on the details and timing of these systems. Because of that uncertainty, it is too early to determine exactly when rain is most likely or how much could fall.

Countdown to Winter

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Winter Begins on: December 21, 2026 at 4:50 PM EST

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Five Day Daily Temperature Run - Peterborough, NH
Updated Every Morning

Normal Daily Averages
High Temperature: 54 Degrees - Low Temperature: 32 Degrees

(Tip: Place your cursor over the bar below to see the number)

Current National Weather Maps

Current Active NWS Map
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