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

73°F

23°C

Humidity 66%
Wind Speed S 10 G 21 mph
Barometer 29.97 in (1015.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 7 Oct 9:55 pm EDT
Extended Forecast for

Portsmouth NH

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 4am. Cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain, mainly before 2pm, then a chance of showers after 2pm. High near 69. Southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 69 °F

    Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Northwest wind 5 to 10 mph.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 3am. Otherwise, clear, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Clear then
    Areas Frost

  • Friday

    Friday: Areas of frost before 8am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after 4am. Cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain, mainly before 2pm, then a chance of showers after 2pm. High near 69. Southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Mostly clear, with a low around 41. Northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 59. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Areas of frost after 3am. Otherwise, clear, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.
Friday
Areas of frost before 8am. Otherwise, sunny, with a high near 64.
Friday Night
Clear, with a low around 40.
Saturday
Sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 46.
Columbus Day
Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.05°N 70.78°W (Elev. 49 ft)
Last Update:
6:56 pm EDT Oct 7, 2025
Forecast Valid:
9pm EDT Oct 7, 2025-6pm EDT Oct 14, 2025
 
Forecast Discussion
 
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Additional Resources

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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