Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Overcast

42°F

6°C

Humidity 48%
Wind Speed SW 9 mph
Barometer 29.87 in (1011.8 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 13 Jan 2:55 pm EST
Extended Forecast for

Portsmouth NH

  • Tonight

    Tonight: A slight chance of rain between 1am and 4am.  Cloudy, with a low around 34. South wind around 5 mph.  Chance of precipitation is 20%.

    Low: 34 °F

    Cloudy then
    Slight Chance
    Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46. Southwest wind around 5 mph.

    High: 46 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain, mainly after 7pm.  Cloudy, with a low around 32. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain before 9am.  Cloudy, then gradually becoming mostly sunny, with a high near 41. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 41 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 11. West wind around 10 mph.

    Low: 11 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of rain between 1am and 4am. Cloudy, with a low around 34. South wind around 5 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 46. Southwest wind around 5 mph.
Wednesday Night
A 50 percent chance of rain, mainly after 7pm. Cloudy, with a low around 32. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 40 percent chance of rain before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 41. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 11. West wind around 10 mph.
Friday
Sunny, with a high near 30.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 18.
M.L.King Day
Mostly sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 25.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.05°N 70.78°W (Elev. 49 ft)
12:02 pm EST Jan 13, 2026
3pm EST Jan 13, 2026-6pm EST Jan 20, 2026
 
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