Portsmouth, NH

Weather

As ofOct 21, 2026 3:37 PM

Current Temperature

57degrees Fahrenheit

Feels like:57°

Hi:57°Lo:41°

Cloudy

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Portsmouth, NH weather radar map

Feels like: 57°
Daily Rain: 0"
Dew point: 37°
Monthly Rain: 2.17"
Humidity: 47%
Avg. Wind: ENE 12 mph
Pressure: 30.22"
Wind Gust: 22 mph
Sunrise: 7:03 AM
Moon: Waxing Gibbous
Sunset: 5:51 PM
UV Index: 3 (Moderate)

Today
Hi
Partly sunny. Highs around 60. Northeast winds around 10 mph with gusts up to 25 mph.
Tonight
Lo
Mostly cloudy. Lows in the upper 30s. North winds around 10 mph.

Portsmouth, NH 10-day weather forecast

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Air Quality Index: 17|Excellent
Top Triggers:: pm25

View Today's Air Quality details for Portsmouth, NH

Pollen Count: 1.5|Low
Predominant Pollen:: Ragweed

Portsmouth, NH Pollen forecast details

Closest strike in the last 30 minutes:379.1 miles

No Lightning Nearby

Portsmouth, NH real-time lightning alerts & live Map

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