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.

Mostly Cloudy

32°F

0°C

Humidity 72%
Wind Speed SW 6 mph
Barometer 30.05 in (1017.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 7 Nov 4:55 am EST
Extended Forecast for

Portsmouth NH

  • Today

    Today: Partly sunny, with a high near 55. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: Rain likely, mainly between 10pm and midnight. Cloudy, with a low around 45. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain Likely

  • Saturday

    Saturday: A slight chance of rain before 8am, then a slight chance of showers between 8am and noon. Mostly sunny, with a high near 63. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 63 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. Northwest wind around 5 mph becoming calm.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of rain after 2pm. Mostly cloudy, with a high near 55. East wind 5 to 10 mph.

    High: 55 °F

    Partly Sunny
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 48. Chance of precipitation is 90%.

    Low: 48 °F

    Rain

  • Monday

    Monday: Rain before 11am, then showers likely, mainly between 11am and 3pm. High near 57. Chance of precipitation is 80%.

    High: 57 °F

    Rain

  • Monday Night

    Monday Night: A 40 percent chance of showers before 3am. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance
    Showers

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 55. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Tonight
Rain likely, mainly between 10pm and midnight. Cloudy, with a low around 45. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of rain before 8am, then a slight chance of showers between 8am and noon. Mostly sunny, with a high near 63. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 37. Northwest wind around 5 mph becoming calm.
Sunday
A 40 percent chance of rain after 2pm. Mostly cloudy, with a high near 55. East wind 5 to 10 mph.
Sunday Night
Rain. Low around 48. Chance of precipitation is 90%.
Monday
Rain before 11am, then showers likely, mainly between 11am and 3pm. High near 57. Chance of precipitation is 80%.
Monday Night
A 40 percent chance of showers before 3am. Mostly cloudy, with a low around 30.
Veterans Day
Mostly sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.06°N 70.81°W (Elev. 56 ft)
Last Update:
2:47 am EST Nov 7, 2025
Forecast Valid:
5am EST Nov 7, 2025-6pm EST Nov 13, 2025
 
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