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New Castle, New Hampshire Weather Forecast
New Castle, New Hampshire Weather
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Weather Forecast for New Castle, New Hampshire : Rockingham County
Issued: 12:29 pm EST Dec 13, 2025 Latitude: 43.0723112 Longitude: -70.7161635 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
50% chance of snow on Tonight 50% chance of snow on Sunday Sunny on Monday Sunny on Tuesday Partly Sunny on Wednesday Partly Sunny on Thursday 40% chance of rain on Friday 30% chance of rain on Saturday
Low: 26°F High: 32°F High: 26°F High: 33°F High: 42°F High: 45°F High: 47°F High: 37°F
Low: 13°F Low: 19°F Low: 23°F Low: 26°F Low: 35°F Low: 19°F  
Snow Snow Sunny Sunny Partly Sunny Partly Sunny Rain Rain
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Current Conditions at
PORTSMOUTH - (KPSM)
34°
Feels like 24°F
Cloudy
as of 2:55 PM EST
Rel. Humidity: 64%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 20 MPH
220° Southwest
Cloud Level(s): Broken at 3400ft, Solid Overcast at 6000ft
Current Conditions at
SANFORD MUNICIPAL - (KSFM)
32°
Cloudy
as of 2:56 PM EST
Rel. Humidity: 59%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
5 MPH
230° Southwest
Cloud Level(s): Solid Overcast at 5000ft
Current Conditions at
LAWRENCE - (KLWM)
34°
Feels like 24°F
Cloudy
as of 2:54 PM EST
Rel. Humidity: 55%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
13 MPH
220° Southwest
Cloud Level(s): Broken at 4100ft, Solid Overcast at 4900ft
Current Conditions at
BEVERLY - (KBVY)
36°
Feels like 27°F
Cloudy
as of 2:53 PM EST
Rel. Humidity: 51%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
13 MPH
210° Southwest
Cloud Level(s): Broken at 4600ft, Solid Overcast at 6000ft
50% chance of snow Tonight Tonight... A 50 percent chance of snow, mainly after midnight. Cloudy, with a low around 26. Southwest wind 5 to 10 mph.

50% chance of snow Sunday Sunday... A 50 percent chance of snow, mainly before 2pm. Mostly cloudy, with a high near 32. North wind 5 to 10 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 13. Northwest wind around 10 mph, with gusts as high as 20 mph.

Sunny on Monday Monday... Sunny, with a high near 26. West wind 10 to 15 mph, with gusts as high as 25 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 19. West wind around 5 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 33.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 23.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 42.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 26.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 45.

70% chance of rain Thursday Night Thursday Night... Rain likely. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.

40% chance of rain Friday Friday... A 40 percent chance of rain. Mostly sunny, with a high near 47.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 19.

30% chance of rain Saturday Saturday... A 30 percent chance of rain. Partly sunny, with a high near 37.

Current Radar Image


Sun Almanac for New Castle, New Hampshire
Sunrise: 07:06 AM
Sunset: 4:08 PM
Civil Sunrise:06:34 AM
Civil Sunset: 4:41 PM
Nautical Sunrise: 05:58 AM
Nautical Sunset: 5:16 PM
Astro Sunrise: 05:24 AM
Astro Sunset: 5:51 PM
New Hampshire's Current Temperatures
New Hampshire's Current Temperature Map


New Hampshire's Satellite ImageNew Hampshire Satellite Image

New Hampshire's Current Wind DirectionNew Hampshire's Current Wind Direction

National Summary
of upper and lower values of current conditions amongst 7092 locations
in the contiguous United States
High
Temp
86° Brownsville, Texas
and 1 other location
Low
Temp
-9° Robertson Field, North Dakota
and 1 other location
Wind
Speed
28mph Oscar Madis, Colorado
Wind
Gust
36mph Limon, Colorado
and 1 other location
Wind
Chill
-33° Robertson Field, North Dakota
Heat
Index
92° Brownsville, Texas
High
Pressure
30.52Hg Charlie, Montana
and 1 other location
Low
Pressure
29.77Hg Saranac Lake, New York
# Locations Reporting Snow 192
# Locations Reporting Rain 8
# Locations Reporting Thunderstorms / Lightning 1
# Locations Reporting Fog 34
Average Temperature in the Contiguous USA 42°
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.