Portsmouth Weather

Current Conditions for Portsmouth NH and the Seacoast

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

 

Forecast

Tonight: Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. Patchy fog. Humid with lows in the lower 60s. Light and variable winds. Chance of rain near 100 percent.

Friday: Mostly sunny. Highs in the mid 70s. Northwest winds around 10 mph with gusts up to 20 mph.

Friday Night: Partly cloudy. Lows in the mid 40s. Northwest winds around 10 mph with gusts up to 20 mph in the evening, becoming light and variable.

Saturday: Mostly sunny. Highs in the mid 60s. Light and variable winds.

Saturday Night: Partly cloudy. Lows in the upper 40s.

Sunday: Rain likely in the afternoon. Highs in the lower 60s. Chance of rain 60 percent.

Sunday Night: Rain likely in the evening, then showers likely after midnight. Lows in the lower 50s. Chance of rain 60 percent.

Monday: Partly sunny. Highs in the mid 60s.

Monday Night: Partly cloudy. Lows in the upper 40s.

Tuesday: Partly sunny. Highs around 60.

Tuesday Night: Partly cloudy. Lows in the upper 40s.

Wednesday: Mostly sunny. Highs around 60.

Marine Forecast

TONIGHT: SE winds 5 to 10 kt, becoming NW towards daybreak. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. Showers with a slight chance of tstms until early morning, then a chance of showers towards daybreak. Patchy fog. Vsby 1 NM or less.
FRI: NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 7 seconds.
FRI NIGHT: N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 3 seconds.
SAT: N winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds.
SAT NIGHT: S winds 5 to 10 kt. Seas around 2 ft.
SUN: S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds. A chance of rain in the afternoon.
SUN NIGHT: SE winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. Rain likely in the evening, then a chance of showers after midnight.
MON: N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas 2 to 3 ft.
MON NIGHT: NE 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: NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
TUE NIGHT: NE winds 5 to 10 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Winds and seas higher in and near tstms.