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Current conditions at
Pease Air Force Base / Portsmouth (KPSM)
Lat: 43.08°NLon: 70.82°WElev: 102ft.
Overcast
55°F
13°C
| Humidity | 81% |
| Wind Speed | SE 7 mph |
| Barometer | 29.90 in (1012.8 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 53°F (12°C) |
| Last update | 15 Apr 3:55 pm EDT |
Extended Forecast for
Portsmouth NH
This Afternoon
High: 58 °F
Slight Chance
Showers and
Patchy FogTonight
Low: 45 °F
Showers
Likely and
Patchy FogThursday
High: 61 °F
Chance
Showers and
Patchy FogThursday Night
Low: 47 °F
Chance
ShowersFriday
High: 62 °F
Chance
ShowersFriday Night
Low: 43 °F
Chance
Showers then
Mostly CloudySaturday
High: 53 °F
Mostly Cloudy
Saturday Night
Low: 43 °F
Cloudy then
Chance
ShowersSunday
High: 55 °F
Showers
Likely
Detailed Forecast
This Afternoon
A 20 percent chance of showers after 5pm. Patchy fog. Otherwise, mostly cloudy, with a high near 58. East wind around 5 mph.
Tonight
A slight chance of showers before 2am, then a chance of showers and thunderstorms between 2am and 3am, then showers likely and possibly a thunderstorm after 3am. Patchy fog before 1am, then patchy fog after 2am. Otherwise, cloudy, with a low around 45. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Patchy fog before 3pm. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers before 4am, then a chance of showers after 5am. Cloudy, with a low around 47. Calm wind. Chance of precipitation is 40%.
Friday
A 50 percent chance of showers after 8am. Mostly cloudy, with a high near 62. Northeast wind around 5 mph.
Friday Night
A 30 percent chance of showers before 9pm. Mostly cloudy, with a low around 43.
Saturday
Mostly cloudy, with a high near 53.
Saturday Night
A 30 percent chance of showers after 2am. Cloudy, with a low around 43.
Sunday
Showers likely, mainly after 11am. Cloudy, with a high near 55. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers before 4am. Mostly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 46.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 58.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Portsmouth NH
43.03°N 70.79°W (Elev. 59 ft)
43.03°N 70.79°W (Elev. 59 ft)
2:29 pm EDT Apr 15, 2026
4pm EDT Apr 15, 2026-6pm EDT Apr 22, 2026
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