Portsmouth Weather

Current Conditions for Portsmouth NH and the Seacoast

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

 

Forecast

Rest Of Tonight: Rain. Near steady temperature in the mid 50s. East winds 15 to 20 mph with gusts up to 35 mph. Chance of rain near 100 percent.

Friday: Mostly cloudy. A chance of rain in the morning. Highs in the lower 60s. Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 50 percent.

Friday Night: Partly cloudy. Lows in the lower 40s. West winds 15 to 20 mph with gusts up to 35 mph.

Saturday: Mostly sunny. Highs in the mid 50s. West winds 10 to 15 mph with gusts up to 35 mph.

Saturday Night: Mostly clear. Lows in the lower 30s. West winds around 10 mph with gusts up to 20 mph in the evening, becoming light and variable.

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

Sunday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s.

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

Monday Night: Showers likely. Lows around 40. Chance of rain 70 percent.

Tuesday: Partly sunny. A chance of showers in the morning. Highs in the mid 50s. Chance of rain 40 percent.

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

Wednesday: Mostly sunny. Highs in the mid 50s.

Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. A 50 percent chance of showers. Lows around 40.

Thursday: Partly sunny with a 50 percent chance of showers. Highs in the mid 50s.

Marine Forecast

GALE WARNING IN EFFECT THROUGH SATURDAY EVENING
REST OF TONIGHT: E winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to 9 ft. Wave Detail: E 9 ft at 10 seconds and E 7 ft at 6 seconds. Rain. Vsby 1 to 3 NM, decreasing to 1 NM or less towards daybreak.
FRI: SW winds 25 to 30 kt with gusts up to 35 kt. Seas 8 to 9 ft, building to 8 to 11 ft in the afternoon. Wave Detail: E 9 ft at 9 seconds, becoming SE 10 ft at 10 seconds. A chance of rain in the morning with vsby 1 NM or less.
FRI NIGHT: W winds 25 to 35 kt with gusts up to 45 kt. Seas 9 to 12 ft. Wave Detail: SE 10 ft at 10 seconds and S 8 ft at 8 seconds.
SAT: W winds 25 to 30 kt. Gusts up to 40 kt in the morning. Seas 7 to 10 ft, subsiding to 5 to 8 ft in the afternoon. Wave Detail: W 6 ft at 5 seconds and S 5 ft at 8 seconds, becoming W 6 ft at 5 seconds and E 4 ft at 11 seconds.
SAT NIGHT: NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 5 to 7 ft, subsiding to 3 to 5 ft after midnight. Wave Detail: W 5 ft at 5 seconds and SE 4 ft at 11 seconds, becoming NW 3 ft at 4 seconds and E 2 ft at 11 seconds.
SUN: W winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 3 seconds and E 2 ft at 11 seconds.
SUN NIGHT: NW winds 5 to 10 kt. Seas around 2 ft.
MON: W winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of showers in the afternoon.
MON NIGHT: S winds 15 to 20 kt, becoming SW after midnight. Gusts up to 30 kt. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Showers.
TUE: NW winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 3 to 5 ft. A chance of showers in the morning.
TUE NIGHT: NW winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to 5 ft.