Current conditions at
Pease Air Force Base / Portsmouth (KPSM)
Lat: 43.08°NLon: 70.82°WElev: 102ft.
Fair
34°F
1°C
| Humidity | 85% |
| Wind Speed | SW 5 mph |
| Barometer | 29.99 in (1015.9 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 20 Apr 3:55 am EDT |
Extended Forecast for
Portsmouth NH
Today
High: 50 °F
Sunny then
Slight Chance
ShowersTonight
Low: 29 °F
Partly Cloudy
Tuesday
High: 46 °F
Mostly Sunny
Tuesday Night
Low: 34 °F
Increasing
CloudsWednesday
High: 48 °F
Mostly Cloudy
Wednesday Night
Low: 36 °F
Mostly Cloudy
Thursday
High: 54 °F
Partly Sunny
Thursday Night
Low: 36 °F
Partly Cloudy
Friday
High: 54 °F
Mostly Sunny
Detailed Forecast
Today
A slight chance of showers before 4pm, then a slight chance of showers after 5pm. Increasing clouds, with a high near 50. West wind around 5 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 29. North wind around 5 mph.
Tuesday
Mostly sunny, with a high near 46. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 34. South wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 48. South wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Partly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 38.
Sunday
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
43.05°N 70.78°W (Elev. 49 ft)
43.05°N 70.78°W (Elev. 49 ft)
2:25 am EDT Apr 20, 2026
4am EDT Apr 20, 2026-6pm EDT Apr 26, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
