Current conditions at
Pease Air Force Base / Portsmouth (KPSM)
Lat: 43.08°NLon: 70.82°WElev: 102ft.
Fair
51°F
11°C
| Humidity | 90% |
| Wind Speed | Calm |
| Barometer | 30.04 in (1017.5 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 17 Apr 10:55 pm EDT |
Extended Forecast for
Portsmouth NH
Tonight

Low: 44 °F
Increasing
CloudsSaturday
High: 51 °F
Patchy Fog
then Mostly
CloudySaturday Night
Low: 41 °F
Cloudy then
Chance
Showers and
Patchy FogSunday

High: 50 °F
Rain and
Patchy FogSunday Night
Low: 33 °F
Chance Rain
then Mostly
ClearMonday

High: 49 °F
Mostly Sunny
Monday Night

Low: 29 °F
Partly Cloudy
Tuesday

High: 47 °F
Sunny
Tuesday Night
Low: 36 °F
Partly Cloudy
then Chance
Showers
Detailed Forecast
Tonight
Increasing clouds, with a low around 44. Calm wind becoming north around 5 mph.
Saturday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 51. East wind 5 to 10 mph.
Saturday Night
A slight chance of showers before 2am, then a chance of showers after 4am. Patchy fog after 1am. Otherwise, cloudy, with a low around 41. Calm wind. Chance of precipitation is 30%.
Sunday
A chance of showers before 9am, then rain, mainly after 9am. Patchy fog before 9am. High near 50. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Sunday Night
A 30 percent chance of rain before 10pm. Partly cloudy, with a low around 33. West wind around 10 mph.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Sunny, with a high near 47.
Tuesday Night
A 30 percent chance of showers after 4am. Mostly cloudy, with a low around 36.
Wednesday
A 30 percent chance of showers before 7am. Partly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 57.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Portsmouth NH
43.05°N 70.78°W (Elev. 49 ft)
43.05°N 70.78°W (Elev. 49 ft)
6:30 pm EDT Apr 17, 2026
11pm EDT Apr 17, 2026-6pm EDT Apr 24, 2026


