Weather in Portsmouth, New Hampshire, United States

7-Day Detailed Weather Forecast for Portsmouth

Overnight

Temperature: 15°F

Wind Speed: 20 mph

Wind Direction: W

Forecast: Partly cloudy, with a low around 15. Wind chill values as low as -1. West wind around 20 mph, with gusts as high as 35 mph.

Wednesday

Temperature: 24°F

Wind Speed: 20 mph

Wind Direction: W

Forecast: A slight chance of snow showers after 4pm. Partly sunny, with a high near 24. Wind chill values as low as -2. West wind around 20 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

Wednesday Night

Temperature: 14°F

Wind Speed: 15 to 20 mph

Wind Direction: W

Forecast: A slight chance of snow showers before 5am. Mostly cloudy, with a low around 14. Wind chill values as low as -1. West wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

Thursday

Temperature: 30°F

Wind Speed: 15 to 20 mph

Wind Direction: NW

Forecast: Partly sunny, with a high near 30. Wind chill values as low as -3. Northwest wind 15 to 20 mph, with gusts as high as 35 mph.

Thursday Night

Temperature: 21°F

Wind Speed: 10 to 15 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 21. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

Friday

Temperature: 36°F

Wind Speed: 5 to 10 mph

Wind Direction: NW

Forecast: Sunny, with a high near 36.

Friday Night

Temperature: 21°F

Wind Speed: 0 to 5 mph

Wind Direction: NW

Forecast: Mostly cloudy, with a low around 21.

Saturday

Temperature: 33°F

Wind Speed: 0 to 5 mph

Wind Direction: NW

Forecast: A chance of snow showers after 7am. Cloudy, with a high near 33. Chance of precipitation is 40%.

Saturday Night

Temperature: 22°F

Wind Speed: 5 mph

Wind Direction: NW

Forecast: A chance of snow showers before 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.

Sunday

Temperature: 35°F

Wind Speed: 5 to 10 mph

Wind Direction: NW

Forecast: Sunny, with a high near 35.

Sunday Night

Temperature: 19°F

Wind Speed: 0 to 5 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 19.

Monday

Temperature: 34°F

Wind Speed: 5 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 34.

Monday Night

Temperature: 18°F

Wind Speed: 0 to 5 mph

Wind Direction: NW

Forecast: Mostly cloudy, with a low around 18.

Tuesday

Temperature: 33°F

Wind Speed: 5 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 33.