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.

Light Rain

68°F

20°C

Humidity 85%
Wind Speed SW 9 G 18 mph
Barometer 29.88 in (1012.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 17 Aug 4:55 am EDT
Extended Forecast for

Durham NH

  • Overnight

    Overnight: Showers likely. Cloudy, with a low around 63. South wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 74. South wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers before 3am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A 30 percent chance of showers after 5pm. Partly sunny, with a high near 81. North wind around 5 mph.

    High: 81 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 7pm. Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 4pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Overnight
Showers likely. Cloudy, with a low around 63. South wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 74. South wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 20 percent chance of showers before 3am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 64. Calm wind.
Tuesday
A 30 percent chance of showers after 5pm. Partly sunny, with a high near 81. North wind around 5 mph.
Tuesday Night
A 30 percent chance of showers before 7pm. Mostly cloudy, with a low around 62. Calm wind.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
A 30 percent chance of showers after 4pm. Mostly sunny, with a high near 83.
Thursday Night
A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 58.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 58.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 78.
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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:
4:39 am EDT Aug 17, 2026
Forecast Valid:
5am EDT Aug 17, 2026-6pm EDT Aug 23, 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