Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Overcast

40°F

4°C

Humidity 72%
Wind Speed NE 14 G 20 mph
Barometer 30.34 in (1027.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 5 Mar 10:55 am EST
Extended Forecast for

Portsmouth NH

Winter Weather Advisory March 5, 06:00pm until March 6, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: A 20 percent chance of snow after 4pm.  Mostly cloudy, with a high near 38. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 38 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Snow likely, possibly mixed with freezing rain and sleet before 1am, then snow, possibly mixed with sleet between 1am and 5am, then snow after 5am.  Low around 28. Northeast wind 5 to 10 mph.  Chance of precipitation is 90%. Little or no ice accumulation expected.  New snow and sleet accumulation of 1 to 3 inches possible.

    Low: 28 °F

    Snow Likely
    then Wintry
    Mix

  • Friday

    Friday: Snow, possibly mixed with sleet before 10am, then a chance of snow between 10am and 4pm, then a slight chance of rain after 4pm.  High near 35. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New snow and sleet accumulation of 1 to 2 inches possible.

    High: 35 °F

    Snow/Sleet
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: Cloudy, with a low around 30. Northeast wind around 5 mph becoming calm.

    Low: 30 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 47. Light south wind increasing to 5 to 10 mph in the morning.

    High: 47 °F

    Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Sunday

    Sunday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 38. Northeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
Snow likely, possibly mixed with freezing rain and sleet before 1am, then snow, possibly mixed with sleet between 1am and 5am, then snow after 5am. Low around 28. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow and sleet accumulation of 1 to 3 inches possible.
Friday
Snow, possibly mixed with sleet before 10am, then a chance of snow between 10am and 4pm, then a slight chance of rain after 4pm. High near 35. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow and sleet accumulation of 1 to 2 inches possible.
Friday Night
Cloudy, with a low around 30. Northeast wind around 5 mph becoming calm.
Saturday
Cloudy, with a high near 47. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 58.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
6:11 am EST Mar 5, 2026
11am EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
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Additional Resources

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