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

64°F

18°C

Humidity 69%
Wind Speed SE 12 mph
Barometer 29.90 in (1012.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 16 Mar 5:55 pm EDT
Extended Forecast for

Portsmouth NH

  • Tonight

    Tonight: Rain, mainly after 11pm. Low around 52. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 52 °F

    Slight Chance
    Rain then
    Rain

  • Monday

    Monday: Rain. Areas of fog before 3pm. High near 56. South wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 56 °F

    Rain and
    Areas Fog

  • Monday Night

    Monday Night: Rain likely, mainly before 1am. Cloudy, with a low around 37. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. North wind around 5 mph.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

Detailed Forecast

Tonight
Rain, mainly after 11pm. Low around 52. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain. Areas of fog before 3pm. High near 56. South wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Rain likely, mainly before 1am. Cloudy, with a low around 37. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Partly sunny, with a high near 53. North wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 35. Calm wind.
Wednesday
Sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Mostly cloudy, with a high near 50.
Thursday Night
Rain likely, mainly after 2am. Cloudy, with a low around 35. Chance of precipitation is 70%.
Friday
Rain likely before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 45. Chance of precipitation is 70%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 50.
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Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.05°N 70.78°W (Elev. 49 ft)
Last Update:
6:34 pm EDT Mar 16, 2025
Forecast Valid:
6pm EDT Mar 16, 2025-6pm EDT Mar 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation