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

59°F

15°C

Humidity 48%
Wind Speed SE 10 mph
Barometer 30.33 in (1027.4 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 22 May 5:55 pm EDT
Extended Forecast for

Portsmouth NH

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. South wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 62. Calm wind becoming east around 5 mph in the morning.

    High: 62 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Cloudy

  • Sunday

    Sunday: Showers likely, mainly between 8am and 2pm, then rain after 2pm. High near 56. East wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 56 °F

    Rain

  • Sunday Night

    Sunday Night: Rain before 2am, then showers likely after 2am. Low around 47. East wind around 5 mph. Chance of precipitation is 90%.

    Low: 47 °F

    Rain

  • Memorial Day

    Memorial Day: Showers likely, mainly before 8am. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. South wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 62. Calm wind becoming east around 5 mph in the morning.
Saturday Night
Cloudy, with a low around 45. Calm wind.
Sunday
Showers likely, mainly between 8am and 2pm, then rain after 2pm. High near 56. East wind 5 to 10 mph. Chance of precipitation is 80%.
Sunday Night
Rain before 2am, then showers likely after 2am. Low around 47. East wind around 5 mph. Chance of precipitation is 90%.
Memorial Day
Showers likely, mainly before 8am. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 78.
Wednesday Night
A 30 percent chance of showers. Mostly clear, with a low around 52.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.05°N 70.78°W (Elev. 49 ft)
Last Update:
2:35 pm EDT May 22, 2026
Forecast Valid:
6pm EDT May 22, 2026-6pm EDT May 29, 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