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.

Overcast

65°F

18°C

Humidity 87%
Wind Speed SE 6 mph
Barometer 30.08 in (1018.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 2 Sep 11:55 pm EDT
Extended Forecast for

Durham NH

  • Overnight

    Overnight: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3am. Patchy fog. Low around 58. Calm wind becoming east around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain and thunderstorms before 2pm, then a chance of showers, mainly between 2pm and 4pm. Patchy fog before 10am. High near 77. Southeast wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Areas of fog after 2am. Otherwise, mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Cloudy
    then Areas
    Fog

  • Friday

    Friday: Mostly cloudy through mid morning, then becoming sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Northwest wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3am. Patchy fog. Low around 58. Calm wind becoming east around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain and thunderstorms before 2pm, then a chance of showers, mainly between 2pm and 4pm. Patchy fog before 10am. High near 77. Southeast wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Areas of fog after 2am. Otherwise, mostly cloudy, with a low around 60. Calm wind.
Friday
Mostly cloudy through mid morning, then becoming sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 59. Northwest wind around 5 mph.
Saturday
A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 73.
Saturday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 53.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 52.
Labor Day
Sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Durham NH
 43.13°N 70.91°W (Elev. 39 ft)
Last Update:
12:05 am EDT Sep 3, 2026
Forecast Valid:
12am EDT Sep 3, 2026-6pm EDT Sep 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation