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Garrison Hill Tower, NH Weather Forecast

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Garrison Hill Tower, NH Weather Forecast

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Clear

61°F

Updated	8:09 am
Feels Like	64°F
Humidity	89%
Wind	N 0 mph
Barometer	30.13 in
Dew Point	58°F

Clear

16°C

Updated	8:09 am
Feels Like	18°C
Humidity	89%
Wind	N 0 km/h
Barometer	102 kPa
Dew Point	14°C

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Cloud Cover	0%
uv UV Index	7
Sunrise	6:06 AM
Sunset	7:20 PM
Moonrise	8:38 PM
Moonset	9:54 AM

Civil Twilight
5:35 AM to 6:05 AM
7:19 PM to 7:48 PM
Garrison Hill Tower NH Weather - Waning Gibbous Moon

Waning Gibbous Moon

Garrison Hill Tower Weather Forecast

TODAY	TONIGHT	TUESDAY	TUESDAY NIGHT	WEDNESDAY	WEDNESDAY NIGHT	THURSDAY	THURSDAY NIGHT	FRIDAY	FRIDAY NIGHT	SATURDAY	SATURDAY NIGHT

Patchy Fog	Chance of Showers	Showers	Chance of Showers	Chance of Showers	Showers	Showers	Chance of Showers	Chance of Showers	Chance of Showers	Partly Sunny	Partly Cloudy
Hi: 79°FHi: 26°C	Lo: 59°FLo: 15°C	Hi: 69°FHi: 21°C	Lo: 55°FLo: 13°C	Hi: 69°FHi: 21°C	Lo: 59°FLo: 15°C	Hi: 71°FHi: 22°C	Lo: 59°FLo: 15°C	Hi: 71°FHi: 22°C	Lo: 55°FLo: 13°C	Hi: 71°FHi: 22°C	Lo: 55°FLo: 13°C
	POP: 50%	POP: 80%	POP: 40%	POP: 50%	POP: 90%	POP: 80%	POP: 40%	POP: 40%	POP: 40%

POP = Probability of Precipitation.

Weather Outlook Updated: 645 AM EDT Mon Aug 31 2026 Garrison Hill Tower, NH Weather - WeatherWorld.com

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Issued: 657 AM EDT Mon Aug 31 2026

Key Messages

1. Fair weather today, with the next chance of rain moving into southern New Hampshire later tonight.

2. A few shortwaves bring rain chances Tuesday-Thursday, with a stationary front to our southwest

3. Cooler and drier conditions late weekend-next weekend with a trough exiting offshore

Discussion

... KEY MESSAGE 1 DESCRIPTION...

Full sun returns today as high pressure passes to the north. Temperatures are set to be a couple degrees warmer under the sun. NW flow will prevail in the mornin...

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Weather 101: Term of the Day

Dry Line

A boundary separating moist and dry air masses, and an important factor in severe weather frequency in the Great Plains. It typically lies north-south across the central and southern high Plains states during the spring and early summer, where it separates moist air from the Gulf of Mexico (to the east) and dry desert air from the southwestern states (to the west). The dry line typically advances eastward during the afternoon and retreats westward at night. However, a strong storm system can sweep the dry line eastward into the Mississippi Valley, or even further east, regardless of the time of day. A typical dry line passage results in a sharp drop in humidity (hence the name), clearing skies, and a wind shift from south or southeasterly to west or southwesterly. (Blowing dust and rising temperatures also may follow, especially if the dry line passes during the daytime. These changes occur in reverse order when the dry line retreats westward. Severe and sometimes tornadic thunderstorms often develop along a dry line or in the moist air just to the east of it, especially when it begins moving eastward.