Current conditions at
Pease Air Force Base / Portsmouth (KPSM)
Lat: 43.08°NLon: 70.82°WElev: 102ft.
Fair
18°F
-8°C
| Humidity | 64% |
| Wind Speed | W 8 mph |
| Barometer | 29.85 in (1011.2 mb) |
| Dewpoint | 8°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 8°F (-13°C) |
| Last update | 25 Feb 1:55 am EST |
Extended Forecast for
Portsmouth NH
Overnight

Low: 12 °F
Mostly Cloudy
Wednesday
High: 38 °F
Snow then
Chance
Rain/SnowWednesday Night

Low: 24 °F
Partly Cloudy
Thursday

High: 37 °F
Sunny
Thursday Night

Low: 15 °F
Partly Cloudy
Friday

High: 37 °F
Sunny
Friday Night

Low: 23 °F
Mostly Clear
Saturday

High: 46 °F
Mostly Sunny
Saturday Night

Low: 23 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear early, then becoming mostly cloudy, with a low around 12. Calm wind.
Wednesday
Rain and snow before 2pm, then a slight chance of rain between 2pm and 3pm. High near 38. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Partly cloudy, with a low around 24. Southwest wind around 5 mph.
Thursday
Sunny, with a high near 37. West wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 15. Calm wind.
Friday
Sunny, with a high near 37.
Friday Night
Mostly clear, with a low around 23.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 8.
Monday
A 30 percent chance of snow. Mostly sunny, with a high near 24.
Monday Night
A 30 percent chance of snow. Partly cloudy, with a low around 7.
Tuesday
Mostly sunny, with a high near 31.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Portsmouth NH
43.07°N 70.78°W (Elev. 33 ft)
43.07°N 70.78°W (Elev. 33 ft)
1:39 am EST Feb 25, 2026
2am EST Feb 25, 2026-6pm EST Mar 3, 2026


