National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

27°C

80°F

Humidity 70%
Wind Speed S 19 km/h
Barometer 1015.4 mb (29.98 in)
Dewpoint 21°C (69°F)
Visibility 16 km
Heat Index28°C (83°F)
Last update 14 Jul 4:55 pm EDT
Extended Forecast for

Pease Air Force Base / Portsmouth NH

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Mostly cloudy, with a high near 27. South wind around 15 km/h. Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 27 °C

    Scattered
    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 7pm, then scattered showers and thunderstorms between 7pm and 11pm, then isolated showers after 11pm. Mostly cloudy, with a low around 21. South wind around 10 km/h. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.

    Low: 21 °C

    Showers
    Likely then
    Isolated
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 31. West wind 5 to 10 km/h becoming southeast in the afternoon.

    High: 31 °C

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. Southwest wind 5 to 10 km/h.

    Low: 21 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 32. Southwest wind 5 to 10 km/h becoming south 10 to 15 km/h in the afternoon.

    High: 32 °C

    Hot

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °C

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 31.

    High: 31 °C

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 22.

    Low: 22 °C

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 31.

    High: 31 °C

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly cloudy, with a high near 27. South wind around 15 km/h. Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 7pm, then scattered showers and thunderstorms between 7pm and 11pm, then isolated showers after 11pm. Mostly cloudy, with a low around 21. South wind around 10 km/h. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.
Tuesday
A 20 percent chance of showers after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 31. West wind 5 to 10 km/h becoming southeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 21. Southwest wind 5 to 10 km/h.
Wednesday
Sunny and hot, with a high near 32. Southwest wind 5 to 10 km/h becoming south 10 to 15 km/h in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 31.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 22.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 31.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 28.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
Pease Air Force Base / Portsmouth NH
 43.08°N 70.81°W (Elev. 89 m)
Last Update:
1:50 pm EDT Jul 14, 2025
Forecast Valid:
5pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation