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

Hazardous Weather Conditions

Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

A Few Clouds

81°F

27°C

Humidity 74%
Wind Speed W 7 mph
Barometer 30.04 in (1017.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 15 Jul 8:55 am EDT
Extended Forecast for

Durham NH

  • Today

    Today: Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind becoming south around 5 mph in the afternoon.

    High: 91 °F

    Hot

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 71. Southwest wind around 5 mph.

    Low: 71 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Southwest wind around 5 mph. Chance of precipitation is 50%.

    High: 89 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Scattered thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Patchy fog after midnight. Otherwise, mostly clear, with a low around 67. Calm wind.
Wednesday
Sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 71. Southwest wind around 5 mph.
Thursday
A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Southwest wind around 5 mph. Chance of precipitation is 50%.
Thursday Night
Scattered thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 81.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Durham NH
 43.13°N 70.91°W (Elev. 39 ft)
Last Update:
8:18 am EDT Jul 15, 2025
Forecast Valid:
9am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
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