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.

Mostly Cloudy

84°F

29°C

Humidity 50%
Wind Speed SW 6 mph
Barometer 30.12 in (1020.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 13 Jul 11:55 am EDT
Extended Forecast for

Durham NH

Heat Advisory July 14, 11:00am until July 14, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 89. Southwest wind around 5 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated showers and thunderstorms before 10pm. Partly cloudy, with a low around 67. Southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Isolated
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 97. Heat index values as high as 101. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75. West wind around 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 94. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. Southwest wind around 5 mph.
Tonight
Isolated showers and thunderstorms before 10pm. Partly cloudy, with a low around 67. Southwest wind around 5 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny and hot, with a high near 97. Heat index values as high as 101. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 75. West wind around 10 mph.
Wednesday
Mostly sunny and hot, with a high near 94. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 62.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Durham NH
 43.14°N 70.94°W (Elev. 75 ft)
Last Update:
9:24 am EDT Jul 13, 2026
Forecast Valid:
12pm EDT Jul 13, 2026-6pm EDT Jul 19, 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