Portsmouth Weather

Current Conditions for Portsmouth NH and the Seacoast

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

 

Forecast

Rest Of Tonight: Cloudy with scattered showers with isolated thunderstorms. Patchy fog. Lows in the mid 50s. Light and variable winds. Chance of rain 50 percent.

Thursday: Partly sunny. Scattered showers with isolated thunderstorms in the morning. Highs in the upper 70s. Light and variable winds. Chance of rain 30 percent.

Thursday Night: Mostly clear. Lows in the upper 50s. Light and variable winds.

Friday: Mostly sunny. Highs in the mid 70s. Northwest winds around 10 mph.

Friday Night: Clear. Lows in the mid 40s. Light and variable winds.

Saturday: Sunny. Highs in the upper 60s.

Saturday Night: Mostly clear. Lows in the mid 40s.

Sunday: Mostly sunny. Highs in the upper 60s.

Sunday Night: Mostly clear. Lows in the upper 40s.

Monday: Mostly sunny. Highs in the mid 70s.

Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.

Tuesday: Partly sunny. Highs in the lower 80s.

Tuesday Night: Partly cloudy. Lows in the upper 50s.

Wednesday: Partly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.

Marine Forecast

REST OF TONIGHT: S winds around 5 kt, becoming W around 5 kt towards daybreak. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds. Scattered showers with isolated tstms. Patchy fog.
THU: N winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. Scattered showers in the morning.
THU NIGHT: S winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds.
FRI: N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds.
FRI NIGHT: N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 7 seconds and N 2 ft at 3 seconds.
SAT: N winds 10 to 15 kt with gusts up to 20 kt, becoming SE around 5 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds.
SAT NIGHT: SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft.
SUN: E winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft.
SUN NIGHT: S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
MON: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft.
MON NIGHT: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Winds and seas higher in and near tstms.