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

56°F

13°C

Humidity 91%
Wind Speed N 6 mph
Barometer 29.77 in (1008.4 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 7 Nov 7:55 am EST
Extended Forecast for

Portsmouth NH

  • Today

    Today: Rain. Patchy fog before 3pm, then patchy fog after 5pm. High near 60. North wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: Rain likely, mainly after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 41. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance Rain
    and Patchy
    Fog then Rain
    Likely and
    Areas Fog

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 58. West wind 5 to 15 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Chance Rain
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. Southwest wind around 5 mph.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

Today
Rain. Patchy fog before 3pm, then patchy fog after 5pm. High near 60. North wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 41. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 30 percent chance of rain, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 58. West wind 5 to 15 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 39. Southwest wind around 5 mph.
Monday
Mostly sunny, with a high near 57. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 37.
Veterans Day
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30.
Friday
A chance of rain and snow. Partly sunny, with a high near 50. Chance of precipitation is 30%.
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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:
6:15 am EST Nov 7, 2026
Forecast Valid:
8am EST Nov 7, 2026-6pm EST Nov 13, 2026
 
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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