Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

29°F

-2°C

Humidity 79%
Wind Speed SW 5 mph
Barometer 29.92 in (1013.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 4 Dec 2:55 am EST
Extended Forecast for

Portsmouth NH

  • Overnight

    Overnight: Scattered flurries.  Mostly cloudy, with a low around 23. Southwest wind around 5 mph.

    Low: 23 °F

    Scattered
    Flurries

  • Thursday

    Thursday: A 30 percent chance of snow showers, mainly after 1pm.  Mostly cloudy, with a high near 38. Breezy, with a southwest wind 5 to 10 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 38 °F

    Chance Snow
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 6. Wind chill values as low as -6. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.

    Low: 6 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 25. Wind chill values as low as -4. Southwest wind around 5 mph.

    High: 25 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14. Southwest wind around 5 mph becoming calm.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Scattered snow showers before noon, then scattered rain and snow showers between noon and 3pm, then scattered rain showers after 3pm.  Mostly cloudy, with a high near 36. Chance of precipitation is 40%.

    High: 36 °F

    Scattered
    Snow Showers
    then
    Scattered
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Scattered flurries. Mostly cloudy, with a low around 23. Southwest wind around 5 mph.
Thursday
A 30 percent chance of snow showers, mainly after 1pm. Mostly cloudy, with a high near 38. Breezy, with a southwest wind 5 to 10 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Mostly clear, with a low around 6. Wind chill values as low as -6. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.
Friday
Mostly sunny, with a high near 25. Wind chill values as low as -4. Southwest wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 14. Southwest wind around 5 mph becoming calm.
Saturday
Scattered snow showers before noon, then scattered rain and snow showers between noon and 3pm, then scattered rain showers after 3pm. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
Sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 21.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 30%.
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)
12:56 am EST Dec 4, 2025
3am EST Dec 4, 2025-6pm EST Dec 10, 2025
 
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