Hazardous Weather Conditions
Current conditions at
Pease Air Force Base / Portsmouth (KPSM)
Lat: 43.08°NLon: 70.82°WElev: 102ft.
Fog/Mist
30°F
-1°C
| Humidity | 89% |
| Wind Speed | S 3 mph |
| Barometer | 30.03 in (1017.3 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 5.00 mi |
| Last update | 18 Jan 10:55 am EST |
Extended Forecast for
Portsmouth NH
Winter Weather Advisory until January 19, 01:00pm
NOW until 1:00pm Mon

Winter Weather Advisory
Today

High: 34 °F
Chance
Rain/SnowTonight

Low: 24 °F
Heavy Snow
M.L.King Day
High: 33 °F
Snow Likely
then Chance
SnowMonday Night

Low: 16 °F
Partly Cloudy
Tuesday

High: 24 °F
Mostly Sunny
Tuesday Night

Low: 10 °F
Mostly Clear
Wednesday

High: 30 °F
Mostly Sunny
Wednesday Night

Low: 22 °F
Mostly Cloudy
Detailed Forecast
Today
A chance of rain and snow before 2pm, then a chance of snow between 2pm and 4pm, then a chance of rain and snow after 4pm. Cloudy, with a high near 34. Southwest wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Snow, mainly after 7pm. The snow could be heavy at times. Low around 24. Calm wind becoming north around 5 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
M.L.King Day
Snow likely, mainly before 10am. Partly sunny, with a high near 33. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 16. Southwest wind around 10 mph.
Tuesday
Mostly sunny, with a high near 24. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 10.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 30.
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)
6:20 am EST Jan 18, 2026
11am EST Jan 18, 2026-6pm EST Jan 24, 2026



