Weather in Portsmouth, New Hampshire, United States

7-Day Detailed Weather Forecast for Portsmouth

Tonight

Temperature: 37°F

Wind Speed: 5 to 10 mph

Wind Direction: W

Forecast: Rain likely before 9pm, then rain and areas of fog between 9pm and 2am, then rain showers likely and patchy fog. Cloudy, with a low around 37. West wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

Temperature: 45°F

Wind Speed: 5 to 10 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 45. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.

Friday Night

Temperature: 21°F

Wind Speed: 5 mph

Wind Direction: N

Forecast: Partly cloudy, with a low around 21. North wind around 5 mph.

Saturday

Temperature: 34°F

Wind Speed: 5 mph

Wind Direction: N

Forecast: Mostly sunny, with a high near 34. North wind around 5 mph.

Saturday Night

Temperature: 21°F

Wind Speed: 0 to 5 mph

Wind Direction: W

Forecast: Partly cloudy, with a low around 21. West wind 0 to 5 mph.

Sunday

Temperature: 46°F

Wind Speed: 5 to 10 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 46.

Sunday Night

Temperature: 35°F

Wind Speed: 5 to 10 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a low around 35.

Monday

Temperature: 55°F

Wind Speed: 5 to 10 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a high near 55.

Monday Night

Temperature: 37°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: Mostly cloudy, with a low around 37.

Tuesday

Temperature: 49°F

Wind Speed: 5 to 10 mph

Wind Direction: N

Forecast: A chance of rain. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.

Tuesday Night

Temperature: 40°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: A chance of rain before 5am, then a chance of rain and snow. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.

Wednesday

Temperature: 56°F

Wind Speed: 5 to 10 mph

Wind Direction: SE

Forecast: A chance of rain and snow. Mostly cloudy, with a high near 56. Chance of precipitation is 50%.

Wednesday Night

Temperature: 40°F

Wind Speed: 5 mph

Wind Direction: NW

Forecast: A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.

Thursday

Temperature: 54°F

Wind Speed: 5 to 10 mph

Wind Direction: N

Forecast: A chance of rain. Mostly cloudy, with a high near 54.