Weather in Portsmouth, New Hampshire, United States

7-Day Detailed Weather Forecast for Portsmouth

Overnight

Temperature: 45°F

Wind Speed: 0 to 5 mph

Wind Direction: W

Forecast: Patchy fog before 4am, then a chance of rain showers and patchy fog. Mostly cloudy, with a low around 45. West wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Friday

Temperature: 59°F

Wind Speed: 0 to 5 mph

Wind Direction: NE

Forecast: A chance of rain showers and patchy fog before 7am, then patchy fog and a slight chance of rain showers between 7am and 8am, then a chance of rain showers and patchy fog between 8am and 4pm. Mostly cloudy, with a high near 59. Northeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Friday Night

Temperature: 43°F

Wind Speed: 0 to 5 mph

Wind Direction: NE

Forecast: Partly cloudy, with a low around 43. Northeast wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.

Saturday

Temperature: 50°F

Wind Speed: 5 to 10 mph

Wind Direction: NE

Forecast: A slight chance of rain showers after 4pm. Mostly cloudy, with a high near 50. Northeast wind 5 to 10 mph.

Saturday Night

Temperature: 41°F

Wind Speed: 0 to 5 mph

Wind Direction: SE

Forecast: A chance of rain showers after 1am. Cloudy, with a low around 41. Southeast wind 0 to 5 mph. Chance of precipitation is 30%.

Sunday

Temperature: 52°F

Wind Speed: 0 to 5 mph

Wind Direction: SW

Forecast: Rain showers. Cloudy, with a high near 52. Chance of precipitation is 90%.

Sunday Night

Temperature: 33°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: Rain showers before 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 80%.

Monday

Temperature: 48°F

Wind Speed: 5 to 10 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 48.

Monday Night

Temperature: 28°F

Wind Speed: 5 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 28.

Tuesday

Temperature: 48°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: Sunny, with a high near 48.

Tuesday Night

Temperature: 37°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: A slight chance of rain showers after midnight. Mostly cloudy, with a low around 37.

Wednesday

Temperature: 56°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: A slight chance of rain showers before 4pm. Partly sunny, with a high near 56.

Wednesday Night

Temperature: 38°F

Wind Speed: 5 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 38.

Thursday

Temperature: 57°F

Wind Speed: 5 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 57.