Weather in Portsmouth, New Hampshire, United States

7-Day Detailed Weather Forecast for Portsmouth

Today

Temperature: 84°F

Wind Speed: 5 mph

Wind Direction: NW

Forecast: Sunny. High near 84, with temperatures falling to around 77 in the afternoon. Northwest wind around 5 mph.

Tonight

Temperature: 62°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: Mostly clear, with a low around 62. West wind around 5 mph.

Monday

Temperature: 78°F

Wind Speed: 0 to 10 mph

Wind Direction: S

Forecast: Sunny, with a high near 78. South wind 0 to 10 mph.

Monday Night

Temperature: 65°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 65. South wind around 5 mph.

Tuesday

Temperature: 86°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Scattered rain showers between 7am and 11am, then showers and thunderstorms likely between 11am and 2pm, then rain and scattered thunderstorms. Partly sunny, with a high near 86. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

Tuesday Night

Temperature: 67°F

Wind Speed: 5 to 10 mph

Wind Direction: SW

Forecast: Showers and thunderstorms likely before 7pm, then scattered showers and thunderstorms between 7pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

Wednesday

Temperature: 86°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: Sunny, with a high near 86.

Wednesday Night

Temperature: 64°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: Mostly clear, with a low around 64.

Thursday

Temperature: 84°F

Wind Speed: 5 to 10 mph

Wind Direction: SW

Forecast: Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 84.

Thursday Night

Temperature: 62°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: Isolated showers and thunderstorms before 8pm. Mostly clear, with a low around 62.

Independence Day

Temperature: 80°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: Sunny, with a high near 80.

Friday Night

Temperature: 60°F

Wind Speed: 0 to 5 mph

Wind Direction: W

Forecast: Mostly clear, with a low around 60.

Saturday

Temperature: 80°F

Wind Speed: 0 to 5 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 80.

Saturday Night

Temperature: 66°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: Isolated rain showers after 8pm. Mostly cloudy, with a low around 66.