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.

Overcast

34°F

1°C

Humidity 94%
Wind Speed W 5 mph
Barometer 29.75 in (1007.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 7 Jan 5:55 pm EST
Extended Forecast for

Portsmouth NH

  • Tonight

    Tonight: Patchy freezing fog between 7pm and 4am. Mostly cloudy, with a low around 26. West wind around 5 mph.

    Low: 26 °F

    Patchy
    Freezing Fog

  • Thursday

    Thursday: Sunny, with a high near 42. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 42 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy freezing fog after 9pm. Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Patchy
    Freezing Fog

  • Friday

    Friday: A 40 percent chance of showers after 2pm. Patchy freezing fog before 10am. Mostly cloudy, with a high near 43. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 43 °F

    Patchy
    Freezing Fog
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before midnight. Cloudy, with a low around 36. South wind around 5 mph. Chance of precipitation is 60%.

    Low: 36 °F

    Showers
    Likely

  • Saturday

    Saturday: A 50 percent chance of rain after 1pm. Cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 4am. Low around 34. Chance of precipitation is 90%.

    Low: 34 °F

    Rain

  • Sunday

    Sunday: A 30 percent chance of rain between 1pm and 2pm. Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy freezing fog between 7pm and 4am. Mostly cloudy, with a low around 26. West wind around 5 mph.
Thursday
Sunny, with a high near 42. Northwest wind around 5 mph becoming calm in the afternoon.
Thursday Night
Patchy freezing fog after 9pm. Partly cloudy, with a low around 23. Calm wind.
Friday
A 40 percent chance of showers after 2pm. Patchy freezing fog before 10am. Mostly cloudy, with a high near 43. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Showers likely, mainly before midnight. Cloudy, with a low around 36. South wind around 5 mph. Chance of precipitation is 60%.
Saturday
A 50 percent chance of rain after 1pm. Cloudy, with a high near 46.
Saturday Night
Rain, mainly before 4am. Low around 34. Chance of precipitation is 90%.
Sunday
A 30 percent chance of rain between 1pm and 2pm. Mostly cloudy, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
Last Update:
5:57 pm EST Jan 7, 2026
Forecast Valid:
6pm EST Jan 7, 2026-6pm EST Jan 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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