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 lower 80s. West winds 10 to 15 mph with gusts up to 30 mph.

Tonight: Clear. Lows around 60. West winds around 10 mph with gusts up to 25 mph.

Saturday: Mostly sunny. Highs in the upper 70s. West winds 10 to 15 mph with gusts up to 25 mph.

Saturday Night: Partly cloudy. Lows in the upper 50s. Northwest winds around 10 mph with gusts up to 20 mph in the evening, becoming light and variable.

Sunday: Partly sunny with a chance of showers. Highs in the upper 70s. Light and variable winds. Chance of rain 50 percent.

Sunday Night: Partly cloudy. A chance of showers in the evening. Lows in the upper 50s. Chance of rain 40 percent.

Monday: Partly sunny with a chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 70s. Chance of rain 70 percent.

Monday Night: Showers. Lows in the upper 50s. Chance of rain 80 percent.

Tuesday: Showers likely in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 60 percent.

Tuesday Night: Mostly clear. Lows in the lower 60s.

Wednesday: Mostly sunny. Highs in the lower 80s.

Wednesday Night: Mostly clear. Lows in the lower 60s.

Thursday: Partly sunny. Highs around 80.

Marine Forecast

SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY
TODAY: SW winds 15 to 20 kt, diminishing to 10 to 15 kt this afternoon. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 7 seconds.
TONIGHT: W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 8 seconds and SW 2 ft at 4 seconds.
SAT: W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 8 seconds.
SAT NIGHT: W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at 8 seconds.
SUN: W winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds.
SUN NIGHT: SW winds around 5 kt. Seas around 2 ft.
MON: SE winds around 5 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. A chance of showers in the morning, then showers likely in the afternoon.
MON NIGHT: SE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Showers.
TUE: NW 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. Showers likely, mainly in the morning.
TUE NIGHT: W winds 5 to 10 kt. Seas 2 to 4 ft.