


Hazardous Weather Conditions
Current conditions at
Pease Air Force Base / Portsmouth (KPSM)
Lat: 43.08°NLon: 70.82°WElev: 102ft.
Mostly Cloudy
64°F
18°C
Humidity | 92% |
Wind Speed | Calm |
Barometer | 29.91 in (1013.1 mb) |
Dewpoint | 62°F (17°C) |
Visibility | 10.00 mi |
Last update | 17 Aug 5:55 am EDT |
Extended Forecast for
Portsmouth NH
Today
High: 89 °F
Mostly Sunny
then Chance
T-stormsTonight
Low: 57 °F
Chance
T-storms then
Chance
ShowersMonday
High: 73 °F
Sunny
Monday Night
Low: 53 °F
Partly Cloudy
Tuesday
High: 74 °F
Mostly Sunny
Tuesday Night
Low: 58 °F
Mostly Cloudy
Wednesday
High: 72 °F
Chance
ShowersWednesday Night
Low: 58 °F
Chance
ShowersThursday
High: 75 °F
Mostly Sunny
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 2am. Mostly cloudy, with a low around 57. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Sunny, with a high near 73. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 53. Calm wind.
Tuesday
Mostly sunny, with a high near 74. Northeast wind around 5 mph becoming southeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
A 40 percent chance of showers after 8am. Mostly cloudy, with a high near 72.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 83.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Portsmouth NH
43.03°N 70.79°W (Elev. 59 ft)
43.03°N 70.79°W (Elev. 59 ft)
3:53 am EDT Aug 17, 2025
6am EDT Aug 17, 2025-6pm EDT Aug 23, 2025