Current conditions at
Pease Air Force Base / Portsmouth (KPSM)
Lat: 43.08°NLon: 70.82°WElev: 102ft.
Mostly Cloudy
69°F
21°C
| Humidity | 91% |
| Wind Speed | E 6 mph |
| Barometer | 29.70 in (1006.0 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 28 Jul 7:55 pm EDT |
Extended Forecast for
Portsmouth NH
Tonight

Low: 64 °F
Patchy Fog
Wednesday
High: 74 °F
Slight Chance
T-storms and
Patchy Fog
then Showers
LikelyWednesday Night

Low: 59 °F
Showers
Thursday

High: 71 °F
Showers
Thursday Night
Low: 60 °F
Showers
Likely then
Mostly CloudyFriday

High: 77 °F
Mostly Sunny
Friday Night

Low: 61 °F
Mostly Clear
Saturday

High: 80 °F
Mostly Sunny
Saturday Night

Low: 64 °F
Partly Cloudy
Detailed Forecast
Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 64. Southeast wind around 5 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 74. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 59. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers. High near 71. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Thursday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 60. North wind around 5 mph. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A 30 percent chance of showers after 5pm. Partly sunny, with a high near 82.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 65.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 80.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 81.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Portsmouth NH
43.05°N 70.75°W (Elev. 13 ft)
43.05°N 70.75°W (Elev. 13 ft)
2:35 pm EDT Jul 28, 2026
8pm EDT Jul 28, 2026-6pm EDT Aug 4, 2026


