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Current conditions at
Pease Air Force Base / Portsmouth (KPSM)
Lat: 43.08°NLon: 70.82°WElev: 102ft.
Partly Cloudy
76°F
24°C
| Humidity | 48% |
| Wind Speed | W 6 mph |
| Barometer | 29.94 in (1014.1 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 14 Apr 11:55 am EDT |
Extended Forecast for
Portsmouth NH
This Afternoon
High: 65 °F⇓
Chance
ShowersTonight
Low: 49 °F
Chance
Showers and
Patchy Fog
then Patchy
FogWednesday
High: 62 °F
Partly Sunny
then Chance
ShowersWednesday Night
Low: 46 °F
Showers
LikelyThursday
High: 62 °F
Chance
ShowersThursday Night
Low: 49 °F
Chance
ShowersFriday
High: 63 °F
Showers
LikelyFriday Night
Low: 43 °F
Chance
ShowersSaturday
High: 52 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
A slight chance of showers between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a temperature falling to around 57 by 5pm. Southeast wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Patchy fog between 9pm and 1am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 49. Southeast wind around 5 mph becoming northwest after midnight. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 62. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely, mainly before midnight. Cloudy, with a low around 46. Calm wind. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 62. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Friday
Showers likely, mainly after 5pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 43.
Saturday
Mostly cloudy, with a high near 52.
Saturday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 42.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 59.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 51.
Additional Forecasts and Information
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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)
6:43 am EDT Apr 14, 2026
12pm EDT Apr 14, 2026-6pm EDT Apr 20, 2026
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