Portsmouth Weather

Current Conditions for Portsmouth NH and the Seacoast

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

 

Forecast

Tonight: Partly cloudy with showers likely with a chance of thunderstorms in the evening, then clear after midnight. Less humid with lows in the lower 60s. West winds around 10 mph with gusts up to 25 mph. Chance of rain 70 percent.

Tuesday: Sunny, warm with highs in the mid 80s. Light and variable winds, becoming west around 10 mph in the afternoon.

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

Wednesday: Partly sunny. Highs in the lower 80s. Light and variable winds.

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

Thursday: Mostly sunny. Warm with highs in the upper 80s.

Thursday Night: Partly cloudy. Lows around 70.

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

Friday Night: Partly cloudy. Lows in the upper 60s.

Saturday: Partly sunny. A chance of showers in the afternoon. Warm with highs in the mid 80s. Chance of rain 40 percent.

Saturday Night: Partly cloudy. A chance of showers in the evening. Lows in the upper 60s. Chance of rain 30 percent.

Sunday: Mostly sunny. Warm with highs in the upper 80s.

Marine Forecast

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TONIGHT: SW winds 15 to 20 kt, becoming W after midnight, then diminishing to 10 to 15 kt towards daybreak. Seas 5 to 7 ft. Wave Detail: S 6 ft at 8 seconds. Patchy fog early this evening. Showers likely with a slight chance of tstms early this evening, then a slight chance of showers late this evening. Vsby 1 to 3 NM this evening.
TUE: W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt in the afternoon. Seas 3 to 5 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: S 5 ft at 8 seconds, becoming S 3 ft at 8 seconds.
TUE NIGHT: SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds.
WED: SW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds.
WED NIGHT: SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds.
THU: S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds.
THU NIGHT: SW winds 5 to 10 kt. Seas around 2 ft.
FRI: SW winds 5 to 10 kt. Seas around 2 ft.
FRI NIGHT: SW winds 5 to 10 kt. Seas around 2 ft.
SAT: W winds around 5 kt, becoming S in the afternoon. Seas around 2 ft.
SAT NIGHT: SW winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms.