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.

Overcast

54°F

12°C

Humidity 73%
Wind Speed E 9 mph
Barometer 30.51 in (1033.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 24 May 9:55 am EDT
Extended Forecast for

Portsmouth NH

  • Today

    Today: Showers likely, mainly after 2pm. Cloudy, with a high near 56. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: Showers. Low around 48. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Showers

  • Memorial Day

    Memorial Day: Showers, mainly before 3pm. Patchy fog before 11am. High near 70. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Increasing clouds, with a low around 53. West wind around 5 mph becoming calm.

    Low: 53 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly 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 56.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
Showers likely, mainly after 2pm. Cloudy, with a high near 56. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers. Low around 48. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Memorial Day
Showers, mainly before 3pm. Patchy fog before 11am. High near 70. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Increasing clouds, with a low around 53. West wind around 5 mph becoming calm.
Tuesday
Partly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 51.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 67.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
Last Update:
6:44 am EDT May 24, 2026
Forecast Valid:
10am EDT May 24, 2026-6pm EDT May 30, 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