Portsmouth Weather

Current Conditions for Portsmouth NH and the Seacoast

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

 

Forecast

Tonight: Cloudy. Rain this evening, then a chance of showers after midnight. Patchy fog. Rain may be heavy at times this evening. Lows in the upper 60s. South winds around 10 mph, becoming southwest after midnight. Gusts up to 25 mph. Chance of rain 90 percent.

Saturday: Mostly cloudy in the morning, then becoming partly sunny. Patchy fog in the morning. Scattered thunderstorms. Humid with highs in the lower 80s. Light and variable winds. Chance of precipitation 30 percent.

Saturday Night: Mostly clear. Humid with lows in the mid 60s. Light and variable winds, becoming west around 10 mph after midnight.

Sunday: Mostly sunny. Highs in the lower 80s. West winds around 10 mph.

Sunday Night: Mostly clear. Lows in the lower 60s. Light and variable winds.

Monday: Mostly sunny. Warm with highs in the mid 80s.

Monday Night: Mostly clear. Lows in the mid 60s.

Tuesday: Partly sunny. Warm with highs in the upper 80s.

Tuesday Night: Partly cloudy. Lows around 70.

Wednesday: Showers likely with a chance of thunderstorms. Highs in the lower 80s. Chance of rain 60 percent.

Wednesday Night: Partly cloudy. Lows in the lower 60s.

Thursday: Partly sunny. Highs in the upper 70s.

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

Friday: Partly sunny. Highs in the mid 70s.

Marine Forecast

SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
TONIGHT: S winds 10 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Rain this evening, then showers likely after midnight. Patchy fog.
SAT: NW winds 5 to 10 kt, becoming SE in the afternoon. Seas 4 to 6 ft. Patchy fog in the morning. A chance of showers and scattered tstms.
SAT NIGHT: S winds 5 to 10 kt, becoming W 10 to 15 kt after midnight. Seas 2 to 4 ft.
SUN: W winds 5 to 10 kt. Seas 2 to 3 ft.
SUN NIGHT: W winds 5 to 10 kt. Seas around 2 ft.
MON: W winds 5 to 10 kt, becoming SW 5 to 15 kt in the afternoon. Seas 2 to 3 ft.
MON NIGHT: SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft.
TUE: SW winds 5 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
TUE NIGHT: SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers.
WED: SW winds 10 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers.
WED NIGHT: W winds 5 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Winds and seas higher in and near tstms.