Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

72°F

22°C

Humidity 83%
Wind Speed S 7 mph
Barometer 29.95 in (1014.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 2 Aug 4:55 am EDT
Extended Forecast for

Portsmouth NH

  • Today

    Today: Partly sunny, with a high near 83. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am.  Areas of fog after 2am.  Otherwise, cloudy, with a low around 66. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Slight Chance
    T-storms then
    Showers
    Likely and
    Areas Fog

  • Monday

    Monday: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm.  Areas of fog before 9am. High near 81. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 81 °F

    Showers and
    Areas Fog

  • Monday Night

    Monday Night: Showers, mainly before 7pm.  Low around 64. West wind around 5 mph.  Chance of precipitation is 80%.

    Low: 64 °F

    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83. West wind around 5 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 2pm.  Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 83. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Areas of fog after 2am. Otherwise, cloudy, with a low around 66. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. Areas of fog before 9am. High near 81. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers, mainly before 7pm. Low around 64. West wind around 5 mph. Chance of precipitation is 80%.
Tuesday
Sunny, with a high near 83. West wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 70.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 88.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.05°N 70.78°W (Elev. 49 ft)
2:34 am EDT Aug 2, 2026
6am EDT Aug 2, 2026-6pm EDT Aug 8, 2026
 
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Additional Resources

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