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.

Light Rain

54°F

12°C

Humidity 82%
Wind Speed SW 6 mph
Barometer 29.58 in (1001.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 8 Nov 4:55 am EST
Extended Forecast for

Portsmouth NH

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 47. Southwest wind around 10 mph.

    Low: 47 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 9am. Partly sunny, with a high near 62. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 62 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34. North wind around 5 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 4pm. Increasing clouds, with a high near 52. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 52 °F

    Partly Sunny
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain. Low around 45. East wind 5 to 10 mph. Chance of precipitation is 100%.

    Low: 45 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 2pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Rain Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers before 11pm. Partly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Showers then
    Partly Cloudy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 47. Southwest wind around 10 mph.
Saturday
A 20 percent chance of showers before 9am. Partly sunny, with a high near 62. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 34. North wind around 5 mph.
Sunday
Rain likely, mainly after 4pm. Increasing clouds, with a high near 52. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
Rain. Low around 45. East wind 5 to 10 mph. Chance of precipitation is 100%.
Monday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers before 11pm. Partly cloudy, with a low around 29.
Veterans Day
Mostly sunny, with a high near 44.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.07°N 70.75°W (Elev. 3 ft)
Last Update:
12:34 am EST Nov 8, 2025
Forecast Valid:
5am EST Nov 8, 2025-6pm EST Nov 14, 2025
 
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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