National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

33°F

1°C

Humidity 50%
Wind Speed W 12 mph
Barometer 30.01 in (1016.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 29 Nov 1:55 am EST
Extended Forecast for

Portsmouth NH

  • Overnight

    Overnight: Mostly clear, with a low around 29. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 41. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 41 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 25. West wind around 5 mph becoming calm.

    Low: 25 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain, mainly after 11am. High near 46. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    High: 46 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain before 7pm, then showers likely between 7pm and 1am. Low around 31. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 31 °F

    Rain then
    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow likely, mainly after 3pm. Cloudy, with a high near 37. Chance of precipitation is 70%.

    High: 37 °F

    Cloudy then
    Snow Likely

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 70%.

    Low: 25 °F

    Snow Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 29. West wind around 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 41. West wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Increasing clouds, with a low around 25. West wind around 5 mph becoming calm.
Sunday
Rain, mainly after 11am. High near 46. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Sunday Night
Rain before 7pm, then showers likely between 7pm and 1am. Low around 31. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Monday
Sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Snow likely, mainly after 3pm. Cloudy, with a high near 37. Chance of precipitation is 70%.
Tuesday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 70%.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Mostly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.05°N 70.78°W (Elev. 49 ft)
Last Update:
12:44 am EST Nov 29, 2025
Forecast Valid:
2am EST Nov 29, 2025-6pm EST Dec 5, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation