Portsmouth Weather

Current Conditions for Portsmouth NH and the Seacoast

Longitude W70.8 – Latitude N43.1 • Rockingham County, New Hampshire, USA

 

Forecast

Today: Mostly sunny. Highs in the upper 30s. Light and variable winds.

Tonight: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 20s. Light and variable winds.

Tuesday: Mostly sunny. Highs around 50. West winds 10 to 15 mph with gusts up to 25 mph.

Tuesday Night: Mostly clear. Lows in the upper 20s. Northwest winds around 10 mph with gusts up to 20 mph in the evening, becoming light and variable.

Wednesday: Mostly sunny. Highs in the upper 40s. Light and variable winds, becoming south around 10 mph in the afternoon.

Wednesday Night: Partly cloudy. Lows in the mid 30s.

Thursday: Mostly cloudy in the morning, then becoming partly sunny. Highs around 60.

Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s.

Friday: Mostly cloudy. Highs in the lower 60s.

Friday Night: Partly cloudy. Lows in the mid 30s.

Saturday: Partly sunny. Highs in the mid 40s.

Saturday Night: Partly cloudy. Lows in the mid 20s.

Sunday: Partly sunny. Highs in the mid 30s.

Marine Forecast

TODAY: N winds 5 to 10 kt with gusts up to 20 kt, becoming SW late. Seas around 2 ft.
TONIGHT: SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft.
TUE: W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
TUE NIGHT: NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft.
WED: W winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft.
WED NIGHT: SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
THU: SW winds 15 to 20 kt. Seas 3 to 5 ft.
THU NIGHT: SW winds 15 to 20 kt. Seas 3 to 5 ft.
FRI: SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft.
FRI NIGHT: W winds 10 to 15 kt. Seas 2 to 4 ft.