Current conditions at
Pease Air Force Base / Portsmouth (KPSM)
Lat: 43.08°NLon: 70.82°WElev: 102ft.
Fair
30°F
-1°C
| Humidity | 66% |
| Wind Speed | Calm |
| Barometer | 30.32 in (1027.1 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Last update | 21 Apr 3:55 am EDT |
Extended Forecast for
Portsmouth NH
Today
High: 46 °F
Sunny
Tonight
Low: 34 °F
Increasing
CloudsWednesday
High: 46 °F
Chance
ShowersWednesday Night
Low: 38 °F
Mostly Cloudy
Thursday
High: 56 °F
Partly Sunny
Thursday Night
Low: 35 °F
Partly Cloudy
Friday
High: 53 °F
Mostly Sunny
Friday Night
Low: 34 °F
Partly Cloudy
Saturday
High: 52 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 46. Light and variable wind becoming southeast 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Increasing clouds, with a low around 34. South wind 5 to 10 mph.
Wednesday
A 30 percent chance of showers, mainly between 7am and 4pm. Mostly cloudy, with a high near 46. South wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 38. South wind around 5 mph becoming calm.
Thursday
Partly sunny, with a high near 56. Northwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 55.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Portsmouth NH
43.07°N 70.78°W (Elev. 33 ft)
43.07°N 70.78°W (Elev. 33 ft)
2:39 am EDT Apr 21, 2026
4am EDT Apr 21, 2026-6pm EDT Apr 27, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
