Weather in Portsmouth, New Hampshire, United States

7-Day Detailed Weather Forecast for Portsmouth

Tonight

Temperature: 51°F

Wind Speed: 10 to 20 mph

Wind Direction: W

Forecast: Rain showers likely before 5am. Mostly cloudy, with a low around 51. West wind 10 to 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Sunday

Temperature: 65°F

Wind Speed: 10 to 20 mph

Wind Direction: W

Forecast: Partly sunny, with a high near 65. West wind 10 to 20 mph, with gusts as high as 35 mph.

Sunday Night

Temperature: 49°F

Wind Speed: 5 to 15 mph

Wind Direction: W

Forecast: Mostly clear, with a low around 49. West wind 5 to 15 mph, with gusts as high as 30 mph.

Monday

Temperature: 69°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 69. Southwest wind around 5 mph.

Monday Night

Temperature: 50°F

Wind Speed: 0 to 5 mph

Wind Direction: W

Forecast: Partly cloudy, with a low around 50. West wind 0 to 5 mph.

Tuesday

Temperature: 73°F

Wind Speed: 0 to 5 mph

Wind Direction: SW

Forecast: Sunny, with a high near 73.

Tuesday Night

Temperature: 55°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 55.

Wednesday

Temperature: 80°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: Partly sunny, with a high near 80.

Wednesday Night

Temperature: 61°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: Mostly clear, with a low around 61.

Thursday

Temperature: 82°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: A slight chance of rain showers after 2pm. Partly sunny, with a high near 82.

Thursday Night

Temperature: 62°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: A slight chance of rain showers. Mostly cloudy, with a low around 62.

Friday

Temperature: 77°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: A chance of rain showers. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.

Friday Night

Temperature: 59°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: A chance of rain showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.

Saturday

Temperature: 74°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 74.