Portsmouth Weather

Current Conditions for Portsmouth NH and the Seacoast

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

 

Forecast

Today: A chance of rain this morning, then rain this afternoon. Highs in the mid 50s. East winds around 10 mph with gusts up to 20 mph, increasing to southeast 20 to 25 mph with gusts up to 50 mph this afternoon. Chance of rain near 100 percent.

Tonight: Rain, mainly in the evening. Patchy fog. Not as cold with lows in the mid 50s. Southeast winds 15 to 25 mph with gusts up to 50 mph, becoming south 10 to 15 mph with gusts up to 30 mph after midnight. Chance of rain near 100 percent.

Tuesday: Cloudy with a 40 percent chance of showers. Highs in the upper 50s. South winds around 10 mph with gusts up to 20 mph.

Tuesday Night: Partly cloudy. Lows in the mid 30s. Southwest winds around 10 mph.

Wednesday: Mostly sunny. Highs in the mid 40s. Southwest winds around 10 mph with gusts up to 20 mph.

Wednesday Night: Mostly clear. Lows in the lower 30s.

Thursday: Mostly sunny. Highs in the upper 40s.

Thursday Night: Partly cloudy. Lows in the lower 30s.

Friday: Partly sunny. Highs in the upper 40s.

Friday Night: Partly cloudy. Lows in the mid 30s.

Saturday: Partly sunny. A chance of rain showers in the afternoon. Highs in the upper 40s. Chance of rain 30 percent.

Saturday Night: Partly cloudy. A chance of showers in the evening, then a chance of rain or snow showers after midnight. Lows in the mid 30s. Chance of precipitation 30 percent.

Sunday: Partly sunny. A chance of rain or snow showers in the morning, then a chance of rain showers in the afternoon. Highs in the mid 40s. Chance of precipitation 30 percent.

Marine Forecast

GALE WARNING IN EFFECT FROM 3 PM EST THIS AFTERNOON THROUGH TUESDAY MORNING
TODAY: S winds 5 to 10 kt, becoming SE 20 to 30 kt with gusts up to 45 kt. Seas 3 to 4 ft, building to 5 to 8 ft this afternoon. A chance of rain late this morning. Rain this afternoon with vsby 1 to 3 NM.
TONIGHT: S winds 25 to 35 kt with gusts up to 45 kt. Seas 9 to 14 ft, building to 11 to 15 ft after midnight. Rain, mainly in the evening. Patchy fog. Vsby variable to less than one quarter NM.
TUE: S winds 10 to 20 kt, becoming around 15 kt in the afternoon. Gusts up to 30 kt. Seas 9 to 13 ft, subsiding to 9 to 11 ft in the afternoon. A chance of showers.
TUE NIGHT: SW winds 15 to 20 kt with gusts up to 25 kt. Seas 8 to 11 ft.
WED: SW winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 9 ft.
WED NIGHT: SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft.
THU: W winds 10 to 15 kt. Seas 4 to 6 ft.
THU NIGHT: W winds 10 to 15 kt. Seas 2 to 4 ft.
FRI: SW winds 10 to 15 kt. Seas 3 to 5 ft.
FRI NIGHT: W winds 5 to 10 kt. Seas 3 to 5 ft.