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.

Overcast

54°F

12°C

Humidity 81%
Wind Speed SW 6 mph
Barometer 29.60 in (1002.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 8 Nov 6:55 am EST
Extended Forecast for

Portsmouth NH

  • Today

    Today: A 20 percent chance of showers before 9am. Partly sunny, with a high near 62. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 62 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 33. Northwest wind around 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 4pm. Increasing clouds, with a high near 52. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Partly Sunny
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain. Low around 45. East wind 5 to 10 mph. Chance of precipitation is 90%.

    Low: 45 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 55. North wind around 5 mph becoming south in the afternoon. Chance of precipitation is 60%.

    High: 55 °F

    Rain Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers before 10pm. Partly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Showers then
    Partly Cloudy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of showers before 9am. Partly sunny, with a high near 62. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 33. Northwest wind around 5 mph.
Sunday
Rain likely, mainly after 4pm. Increasing clouds, with a high near 52. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain. Low around 45. East wind 5 to 10 mph. Chance of precipitation is 90%.
Monday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 55. North wind around 5 mph becoming south in the afternoon. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers before 10pm. Partly cloudy, with a low around 29.
Veterans Day
Mostly sunny, with a high near 44.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 47.
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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:
6:14 am EST Nov 8, 2025
Forecast Valid:
7am EST Nov 8, 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