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 this evening, then mostly clear after midnight. Lows in the upper 30s. West winds 10 to 15 mph with gusts up to 35 mph. Chance of rain 70 percent.

Wednesday: Partly sunny. Highs in the lower 50s. West winds 15 to 20 mph with gusts up to 30 mph.

Wednesday Night: Partly cloudy in the evening, then clearing. Lows in the upper 30s. West winds 15 to 20 mph, diminishing to around 10 mph after midnight.

Thursday: Mostly sunny. Highs in the mid 50s. West winds 10 to 15 mph with gusts up to 30 mph.

Thursday Night: Clear. Lows in the mid 30s. Northwest winds around 10 mph with gusts up to 25 mph in the evening, becoming light and variable.

Friday: Partly sunny. Highs in the upper 50s.

Friday Night: Mostly cloudy with scattered showers. Lows in the mid 40s. Chance of rain 50 percent.

Saturday: Mostly cloudy with scattered showers. Highs in the upper 60s. Chance of rain 50 percent.

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

Sunday: Partly sunny. Highs in the mid 50s.

Sunday Night: Mostly clear. Lows in the mid 30s.

Monday: Partly sunny. Highs in the upper 50s.

Monday Night: Partly cloudy in the evening, then mostly cloudy with scattered showers after midnight. Lows around 40. Chance of rain 30 percent.

Tuesday: Mostly cloudy in the morning, then becoming partly sunny. Scattered showers. Highs in the upper 50s. Chance of rain 40 percent.

Marine Forecast

SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
TONIGHT: W winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and SE 2 ft at 10 seconds. Patchy fog early this evening. Showers likely early this evening, then a chance of showers late this evening. Vsby 1 to 3 NM early this evening.
WED: W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and SE 2 ft at 9 seconds.
WED NIGHT: W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 10 seconds.
THU: W winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and SE 2 ft at 10 seconds.
THU NIGHT: NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds.
FRI: W winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds.
FRI NIGHT: S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Scattered showers.
SAT: SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Scattered showers.
SAT NIGHT: W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft.
SUN: W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.
SUN NIGHT: W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.