



Sunny, with a high near 81. North wind around 5 mph.

Clear, with a low around 55. Calm wind.

Sunny, with a high near 78. Calm wind becoming north around 5 mph.

Mostly clear, with a low around 53. Calm wind.

Sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.

Mostly clear, with a low around 61.

Sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.

Partly cloudy, with a low around 59.

Partly sunny and hot, with a high near 91.

A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 65.

Partly sunny, with a high near 89.

A 30 percent chance of showers. Mostly cloudy, with a low around 62.














Scattered showers and thunderstorms before 8pm, then scattered showers between 8pm and 9pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 52. North wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.


Mostly cloudy, then gradually becoming clear, with a low around 50. North wind 5 to 10 mph becoming light in the evening.
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.
None
A cold front dropped south this afternoon, bringing cooler air and setting off a few showers. We have not seen any here in Peterborough, NH and I don’t think we will. The last of the showers seem to be passing through Nashua at this hour. After that, clearing skies and cooler temps tonight through Monday. Another warm up is expected from Tuesday and beyond, though we are not sure just how hot it might get. So stay tuned!
A cold front will continue bringing scattered showers and a few thunderstorms through this evening before moving offshore tonight. Drier, seasonably warm weather returns Monday with plenty of sunshine and comfortable humidity. Attention then turns to a significant warming trend during the second half of the week as heat and humidity steadily build across northern New England. Confidence is increasing that a period of uncomfortable heat is likely late in the week, but there is still uncertainty regarding just how hot temperatures may ultimately become.
June 6th, 1944 and possibly the most important weather forecast in the history of mankind.
The weather had been crap. Heavy fog, rain, wind, all plagued the allies. They had a plan. A late night aerial assault followed by an early morning amphibious landing, but to accomplish both, they needed clear skies and no storms, and a full moon. This gave very few opportunities. Luckily, the German commanders recognizing the inclement weather that had been plaguing the English Channel for weeks, assumed an allied attack was not possible, and many had returned to Berlin.
It came down to one man, James Stagg who was the chief meteorologist for the RAF. Stagg who was a civilian, was given the title of Group Captain in the RAF to give him military authority. Stagg and his team were tasked with finding the prime time to commence the invasion given all the necessary parameters that needed to be met.
The landings were scheduled for June 5th, but Stagg's team grew concerned that a low pressure system would cause rough seas and gusty winds creating air turbulence. The plan was made to move to the 6th where just enough of a window presented itself that it would be possibly to pull off the assault by air and sea.
The rest is history.
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On this day in history:
On this day in 1976, New York Magazine published Tribal Rites of the New Saturday Night, the article that inspired the blockbuster 1977 John Travolta movie Saturday Night Fever.

Summary:
A cold front will continue bringing scattered showers and a few thunderstorms through this evening before moving offshore tonight. Drier, seasonably warm weather returns Monday with plenty of sunshine and comfortable humidity. Attention then turns to a significant warming trend during the second half of the week as heat and humidity steadily build across northern New England. Confidence is increasing that a period of uncomfortable heat is likely late in the week, but there is still uncertainty regarding just how hot temperatures may ultimately become.
Key Messages:
- A cold front continues to bring showers and thunderstorms through this evening, followed by dry and seasonably warm conditions Monday.
- Heat and humidity build during the second half of the week, creating a growing heat risk along with chances for showers and thunderstorms.
What has changed since the last Forecast Update?
Confidence is increasing that some level of heat risk will develop during the second half of next week. However, uncertainty remains regarding how high temperatures may ultimately climb.
What this means for you:
Showers and a few thunderstorms may affect outdoor plans through this evening, especially across southern New Hampshire and southern Maine. Conditions improve overnight, and Monday looks pleasant with sunshine, lower humidity, and temperatures mainly in the 70s and low 80s. Heat and humidity then increase through midweek and into next weekend. Many locations could reach the middle to upper 80s, with some warmer inland valleys approaching 90 degrees. Humidity will make it feel hotter than the actual air temperature, and warm nights may provide limited relief. Isolated to scattered afternoon thunderstorms will also become more common later in the week.
**Area Forecast Discussion, National Weather Service Gray ME**
**225 PM EDT Sunday June 7 2026**
**What Has Changed**
Confidence is increasing that some level of heat risk will develop during the second half of next week. However, uncertainty remains regarding how high temperatures may ultimately climb.
**Key Messages**
1. A cold front continues to bring showers and thunderstorms through this evening, followed by dry and seasonably warm conditions Monday.
2. Heat and humidity build during the second half of the week, creating a growing heat risk along with chances for showers and thunderstorms.
**Synopsis**
**Key Message 1 Description**
A cold front continues to slowly move through northern New England this afternoon as an area of low pressure tracks from Quebec into eastern Maine. Scattered showers will continue into the evening hours, with isolated thunderstorms possible across southern Maine and New Hampshire through early evening.
The front moves offshore later this evening, allowing skies to gradually clear overnight. Recent rainfall, combined with clear skies and light winds, will likely lead to areas of valley fog north of the mountains tonight. This is especially likely where radiational cooling, the process of heat escaping into the atmosphere after sunset, is most effective.
High pressure builds into the region Monday behind the front, bringing a much drier air mass and seasonably warm temperatures. Nearly full sunshine should help temperatures rise into the middle 70s across northern areas and the lower 80s in locations downwind of the mountains. Light northwesterly winds may allow a weak sea breeze to develop during the afternoon, although it is expected to remain mostly confined to the immediate coastline.
The high pressure system shifts south of New England Monday night, beginning a warming trend that continues into midweek. The warmer air mass will already be noticeable Monday night, with overnight lows only falling into the upper 40s across the north and middle 50s along the coast.
**Key Message 2 Description**
The weather pattern this week will be dominated by a large area of high pressure in the upper levels of the atmosphere along the Eastern Seaboard. This pattern will allow heat and humidity to gradually build over several days.
During the first half of the week, forecast models are in good agreement that temperatures several thousand feet above the ground, known as 850 millibar temperatures and commonly used by meteorologists to estimate future surface temperatures, will warm significantly. This should support highs in the lower to middle 80s north of the mountains and middle to upper 80s farther south.
Initially, humidity levels will remain fairly comfortable. Dewpoints, which measure the amount of moisture in the air and are often a better indicator of how humid it feels, are expected to remain in the 50s through the first part of the week.
By Wednesday, the center of the upper level ridge shifts east of the region, turning winds more southwesterly. This will transport additional moisture into New England, causing dewpoints to rise into the upper 60s. Combined with increasing temperatures, conditions will begin to feel noticeably more humid and uncomfortable.
There is still some variation among forecast models, but a middle-ground forecast suggests temperatures aloft could reach levels that rank near the top 10 percent of historical values for this time of year by late in the work week. If that occurs, widespread afternoon temperatures in the middle to upper 80s are likely, with some of the warmer locations in the Merrimack Valley approaching 90 degrees.
The added humidity will make it feel even warmer than the actual air temperature. While confidence is not yet high enough to officially discuss a heat wave, which locally requires three consecutive days with temperatures above 90 degrees, heat advisories could eventually become necessary in portions of the forecast area. This concern is increased by the possibility of nighttime temperatures only falling into the middle 60s, limiting overnight cooling and allowing heat to build over multiple days.
Higher elevations will remain somewhat cooler, and coastal communities should benefit from regular sea breezes that help moderate temperatures.
The increasing moisture will also lead to a greater chance of afternoon showers and thunderstorms later in the week. While exact coverage remains uncertain this far out, current indications suggest a typical summertime pattern with isolated to scattered storms rather than widespread severe weather.
Summary:
A few scattered showers and isolated thunderstorms remain possible this afternoon and early evening, mainly across eastern New England. Any stronger storm could produce brief gusty winds and small hail. Drier and cooler weather arrives tonight and continues through Monday night with plenty of sunshine and comfortable temperatures. A major warmup then begins Tuesday, with summerlike heat expected through next weekend. Some locations could experience several consecutive days of 90 degrees or higher, with increasing humidity and the potential for heat-related advisories later in the week.
Key Messages:
- Scattered showers and perhaps isolated thunderstorms this afternoon. Focus across eastern New England where activity may linger into part of the evening. Dry and cooler weather follows tonight into Monday night.
- Summerlike temperatures expected Tuesday through the weekend, with a multi-day stretch of 90 degrees or higher in some locations possible.
What has changed since the last Forecast Update?
No significant forecast changes.
What this means for you
If you have outdoor plans this afternoon, keep an eye on the sky for passing showers or an isolated thunderstorm, especially across eastern Massachusetts and coastal areas. Conditions improve quickly tonight, leading to pleasant weather Monday and Monday night. Beginning Tuesday, temperatures will steadily climb, and by midweek many communities could be dealing with the first prolonged stretch of significant heat this season. Those sensitive to heat should begin planning ahead for hotter and more humid conditions later this week.
Area Forecast Discussion, National Weather Service Boston/Norton MA
**156 PM EDT Sunday, June 7, 2026**
**Synopsis**
Scattered showers and isolated thunderstorms this afternoon will mainly affect eastern New England before ending this evening. Dry and cooler weather follows tonight through Monday night. A significant warming trend develops beginning Tuesday, with summerlike heat potentially lasting through next weekend.
**What Has Changed**
No significant changes to the forecast.
**Key Messages**
* Scattered showers and perhaps isolated thunderstorms this afternoon. Focus across eastern New England where activity may linger into part of the evening. Dry and cooler weather follows tonight into Monday night.
* Summerlike temperatures expected Tuesday through the weekend, with a multi-day stretch of 90 degrees or higher in some locations possible.
**Discussion**
**Key Message 1, Scattered showers and perhaps isolated thunderstorms this afternoon. Focus across eastern New England where activity may linger into part of the evening. Dry and cooler weather follows tonight into Monday night.**
A dynamic upper-level disturbance, known as a shortwave, along with a pocket of unusually cold air high in the atmosphere, will move south into the region this afternoon. While low-level moisture is somewhat limited, the colder air aloft and favorable atmospheric dynamics will create enough instability for scattered showers and isolated thunderstorms to develop.
Forecast instability values, known as CAPE (Convective Available Potential Energy), are expected to reach moderate levels this afternoon, especially near the South Coast. This level of instability supports the development of scattered showers and a few thunderstorms. If any thunderstorm becomes stronger, gusty winds and small hail could occur due to the cold air aloft and the relatively dry air near the surface.
The greatest concentration of activity is expected across eastern New England, where showers and isolated storms may linger into part of this evening.
Behind a cold front, drier and cooler air will continue moving into the region tonight on northerly winds. Overnight lows will generally fall into the 50s, although some of the normally colder valleys and low-lying areas could briefly drop into the middle and upper 40s.
A large area of high pressure builds into the region Monday and Monday night. This will bring sunny skies Monday, with afternoon highs mainly in the upper 70s to around 80 degrees. Locations immediately along the coast will be cooler, generally in the upper 60s to lower 70s, due to an onshore wind.
Monday night will feature mainly clear skies and light winds, allowing temperatures to cool efficiently after sunset. Lows will range from the 40s in outlying areas to the lower and middle 50s elsewhere. In contrast, the urban heat island effect in Boston will keep temperatures closer to 60 degrees as a developing southwest wind begins bringing warmer air into the region.
**Key Message 2, Summerlike temperatures expected Tuesday through the weekend, with a multi-day stretch of 90 degrees or higher in some locations possible.**
Confidence remains high in a steady warming trend beginning Tuesday as a strong upper-level ridge of high pressure builds across the eastern United States. This ridge is expected to remain in place through much of the week before gradually weakening and flattening toward next weekend.
By Wednesday, temperatures roughly 5,000 feet above the ground are forecast to be warm enough to support widespread afternoon highs well into the 80s and lower 90s. Humidity levels are also expected to increase.
Several consecutive days with highs of 90 degrees or higher are possible in some locations. Combined with increasing humidity, heat index values may eventually become high enough to require heat advisories or other heat-related statements.
The main uncertainty later in the week involves thunderstorm chances. As the upper-level ridge weakens somewhat and shifts position, weather disturbances and stronger winds aloft may begin interacting with the northern and western edges of the developing heat dome. This setup could increase the risk for thunderstorms from late week into next weekend, although the timing and coverage remain uncertain.

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