Home   Weather   USA   Portsmouth
Flag for USA

Weather in Portsmouth, New Hampshire, USA

Now
38 °F

Fog.


Feels Like: 32 °F
Forecast: 49 / 36 °F
Wind: 8 mph from Northwest

Location: Pease Air Force Base / Portsmouth
Current Time: Mar 21, 2026 at 8:26:18 am
Latest Report: Mar 21, 2026 at 7:55 am
Visibility: 6 mi
Pressure: 29.80 "Hg
Humidity: 89%
Dew Point: 35 °F

Upcoming 5 hours

Now 9:00 am 10:00 am 11:00 am 12:00 pm 1:00 pm
38 °F 39 °F 42 °F 44 °F 45 °F 46 °F

See more hour-by-hour weather

Forecast for the next 48 hours

Scroll right to see more
  Saturday Sunday
  Morning Afternoon Evening Night Morning Afternoon Evening
Forecast
Temperature 39 °F 48 °F 39 °F 34 °F 35 °F 42 °F 38 °F
Sprin­kles. Overcast. Partly cloudy. Sprin­kles. Overcast. Overcast. Light mixture of precip. Overcast. Rain. Overcast. Light mixture of precip. Overcast.
Feels Like 34 °F 46 °F 37 °F 34 °F 27 °F 42 °F 30 °F
Wind Speed 7 mph 4 mph 3 mph 2 mph 12 mph 0 mph 14 mph
Wind Direction N
N
N
ESE
SE
- N
Humidity 78% 38% 49% 63% 86% 83% 83%
Dew Point 33 °F 23 °F 21 °F 23 °F 32 °F 37 °F 33 °F
Visibility 4 mi 6 mi 4 mi 4 mi 1 mi 3 mi 0 mi
Probability of Precipitation 25% 5% 21% 1% 19% 21% 6%
Amount of Rain 0.02" 0.00" 0.01" 0.00" 0.15" 0.13" 0.03"
Amount of Snow 0.00" 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-day Hour-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

37 °F

Skyhaven Airport: (17 mi)

Overcast.

37 °F

Sanford Municipal: (22 mi)

Mostly cloudy.

43 °F

Lawrence Municipal Airport: (31 mi)

Overcast.

More weather in USA

Forecast for the next 2 weeks

Scroll right to see more
Sun Mon Tue Wed Thu Fri Sat
15
16
17
18
19
20

View historic weather

Detailed forecast for 14 days