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

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

49°F

9°C

Humidity 54%
Wind Speed SE 12 mph
Barometer 29.78 in (1008.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 7 Nov 4:55 pm EST
Extended Forecast for

Portsmouth NH

  • Tonight

    Tonight: Rain likely, mainly before 5am. Mostly cloudy, with a low around 47. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain Likely

  • Saturday

    Saturday: A 20 percent chance of rain before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 63. Southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 63 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Isolated showers between 11am and 1pm, then rain likely after 1pm. Mostly cloudy, with a high near 53. Northeast wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 60%.

    High: 53 °F

    Partly Sunny
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain. Low around 45. East wind around 5 mph. Chance of precipitation is 90%.

    Low: 45 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.

    High: 56 °F

    Rain Likely

  • Monday Night

    Monday Night: Scattered showers, mainly before 11pm. Partly cloudy, with a low around 29. Chance of precipitation is 40%.

    Low: 29 °F

    Scattered
    Showers then
    Partly Cloudy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely, mainly before 5am. Mostly cloudy, with a low around 47. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of rain before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 63. Southwest wind 5 to 10 mph becoming northwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Isolated showers between 11am and 1pm, then rain likely after 1pm. Mostly cloudy, with a high near 53. Northeast wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 60%.
Sunday Night
Rain. Low around 45. East wind around 5 mph. Chance of precipitation is 90%.
Monday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.
Monday Night
Scattered showers, mainly before 11pm. Partly cloudy, with a low around 29. Chance of precipitation is 40%.
Veterans Day
Mostly sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.05°N 70.78°W (Elev. 49 ft)
Last Update:
12:54 pm EST Nov 7, 2025
Forecast Valid:
5pm EST Nov 7, 2025-6pm EST Nov 14, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation