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Weather in Portsmouth, New Hampshire, USA

Now
40 °F

Cloudy.


Feels Like: 34 °F
Forecast: 49 / 36 °F
Wind: 9 mph from Northwest

Location: Pease Air Force Base / Portsmouth
Current Time: Mar 21, 2026 at 9:41:29 am
Latest Report: Mar 21, 2026 at 8:55 am
Visibility: 7 mi
Pressure: 29.82 "Hg
Humidity: 83%
Dew Point: 36 °F
Location of PortsmouthLocation

Upcoming 5 hours

Now10:00 am11:00 am12:00 pm1:00 pm2:00 pm
40 °F42 °F44 °F45 °F46 °F47 °F

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Forecast for the next 48 hours

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 SaturdaySunday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature39 °F48 °F39 °F34 °F35 °F42 °F38 °F
Sprin­kles. Overcast.Partly cloudy.Sprin­kles. Overcast.Overcast.Light mixture of precip. Overcast.Rain. Overcast.Light mixture of precip. Overcast.
Feels Like34 °F46 °F37 °F34 °F27 °F42 °F30 °F
Wind Speed7 mph4 mph3 mph2 mph12 mph0 mph14 mph
Wind DirectionN
N
N
ESE
SE
-N
Humidity78%38%49%63%86%83%83%
Dew Point33 °F23 °F21 °F23 °F32 °F37 °F33 °F
Visibility4 mi6 mi4 mi4 mi1 mi3 mi0 mi
Probability of Precipitation25%5%21%1%19%21%6%
Amount of Rain0.02"0.00"0.01"0.00"0.15"0.13"0.03"
Amount of Snow0.00"0.00"0.00"0.00"0.07"0.00"0.04"
* Updated Saturday, March 21, 2026 3:42:42 am Portsmouth time - Weather by CustomWeather, © 2026

14 day forecast, day-by-dayHour-by-hour forecast for next week

Yesterday's weather

Overcast. 52 / 31 °F
Humidity: 68%. Wind: 7 mph from Southwest

More weather last week

Currently at nearby stations

40 °F

Skyhaven Airport: (17 mi)

More clouds than sun.

38 °F

Sanford Municipal: (22 mi)

Overcast.

42 °F

Lawrence Municipal Airport: (31 mi)

Mostly cloudy.

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Forecast for the next 2 weeks

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Detailed forecast for 14 days