Portsmouth Weather

Current Conditions for Portsmouth NH and the Seacoast

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

 

Forecast

Tonight: Mostly clear. Cooler with lows in the upper 30s. Northwest winds around 10 mph with gusts up to 25 mph this evening, becoming light and variable.

Thursday: Mostly sunny. Highs around 60. Light and variable winds, becoming southeast around 10 mph with gusts up to 25 mph in the afternoon.

Thursday Night: Partly cloudy in the evening, then mostly cloudy with scattered showers after midnight. Lows in the mid 40s. South winds around 10 mph. Chance of rain 40 percent.

Friday: Mostly cloudy with scattered showers. Highs in the upper 60s. South winds around 10 mph. Chance of rain 40 percent.

Friday Night: Partly cloudy with scattered showers. Lows in the lower 50s. Southwest winds around 10 mph with gusts up to 20 mph in the evening, becoming light and variable. Chance of rain 40 percent.

Saturday: Scattered showers in the morning, then showers likely in the afternoon. Highs around 70. Chance of rain 60 percent.

Saturday Night: Showers likely. Lows in the upper 40s. Chance of rain 60 percent.

Sunday: Mostly cloudy in the morning, then becoming partly sunny. Scattered showers. Highs around 60. Chance of rain 50 percent.

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

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

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

Tuesday: Partly sunny. A chance of showers in the afternoon. Highs around 60. Chance of rain 30 percent.

Tuesday Night: Partly cloudy with a 30 percent chance of showers. Lows in the upper 40s.

Wednesday: Partly sunny with a 30 percent chance of showers. Highs in the lower 60s.

Marine Forecast

TONIGHT: NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and S 2 ft at 7 seconds.
THU: NE winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 9 seconds.
THU NIGHT: S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds. Scattered showers after midnight.
FRI: S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds. Scattered showers. Patchy fog. Vsby 1 to 3 NM.
FRI NIGHT: S winds 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave Detail: S 5 ft at 6 seconds. Scattered showers. Patchy fog. Vsby 1 to 3 NM.
SAT: S winds around 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds. Patchy fog in the morning. Scattered showers. Vsby 1 to 3 NM in the morning.
SAT NIGHT: SW winds around 10 kt, becoming W after midnight. Seas 3 to 4 ft. Showers likely.
SUN: NW winds 5 to 10 kt. Seas 2 to 4 ft. Scattered showers.
SUN NIGHT: NW winds 5 to 10 kt. Seas 2 to 3 ft.
MON: N winds around 10 kt with gusts up to 20 kt, becoming E in the afternoon. Seas 2 to 3 ft.
MON NIGHT: S winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft.