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.

Mostly Cloudy

40°F

4°C

Humidity 88%
Wind Speed Calm
Barometer 30.44 in (1031.1 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 11 Oct 6:55 am EDT
Extended Forecast for

Seabrook NH

  • Today

    Today: A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 61. Light southwest wind becoming south 5 to 10 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Chance Rain

  • Tonight

    Tonight: Showers, mainly before 5am. Areas of dense fog after 1am. Low around 48. South wind around 5 mph becoming calm. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Showers and
    Areas Dense
    Fog

  • Columbus Day

    Columbus Day: A 30 percent chance of showers, mainly before 7am. Areas of fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 68. North wind around 5 mph becoming calm in the morning. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers and
    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 47. Light and variable wind becoming northeast 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 47 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 50 percent chance of rain after 7am. Cloudy, with a high near 62. Southeast wind 5 to 10 mph.

    High: 62 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 2am, then showers likely after 2am. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Rain

  • Wednesday

    Wednesday: Showers likely, mainly before 7am. Mostly sunny, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 61. Light southwest wind becoming south 5 to 10 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, mainly before 5am. Areas of dense fog after 1am. Low around 48. South wind around 5 mph becoming calm. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Columbus Day
A 30 percent chance of showers, mainly before 7am. Areas of fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 68. North wind around 5 mph becoming calm in the morning. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Increasing clouds, with a low around 47. Light and variable wind becoming northeast 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Tuesday
A 50 percent chance of rain after 7am. Cloudy, with a high near 62. Southeast wind 5 to 10 mph.
Tuesday Night
Rain, mainly before 2am, then showers likely after 2am. Low around 53. Chance of precipitation is 80%.
Wednesday
Showers likely, mainly before 7am. Mostly sunny, with a high near 67. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 41.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 61.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seabrook NH
 42.88°N 70.85°W (Elev. 20 ft)
Last Update:
6:26 am EDT Oct 11, 2026
Forecast Valid:
7am EDT Oct 11, 2026-6pm EDT Oct 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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