Weather in Portsmouth, New Hampshire, United States

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7-Day Detailed Weather Forecast for Portsmouth

This Afternoon

Temperature: 74°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: Mostly cloudy, with a high near 74. Southeast wind around 5 mph.

Tonight

Temperature: 60°F

Wind Speed: 0 to 5 mph

Wind Direction: E

Forecast: Patchy fog between 11pm and midnight, then patchy fog and a slight chance of rain showers between midnight and 2am, then rain likely and patchy fog. Mostly cloudy, with a low around 60. East wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Tuesday

Temperature: 70°F

Wind Speed: 5 to 10 mph

Wind Direction: E

Forecast: Rain. Cloudy, with a high near 70. East wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

Temperature: 58°F

Wind Speed: 5 mph

Wind Direction: NE

Forecast: Rain likely before 8pm, then a chance of rain showers between 8pm and 11pm, then a chance of rain showers and patchy fog between 11pm and 2am, then patchy fog and a slight chance of rain showers. Cloudy, with a low around 58. Northeast wind around 5 mph. Chance of precipitation is 70%.

Wednesday

Temperature: 79°F

Wind Speed: 0 to 5 mph

Wind Direction: E

Forecast: Patchy fog before 8am. Mostly sunny, with a high near 79. East wind 0 to 5 mph.

Wednesday Night

Temperature: 62°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: Mostly clear, with a low around 62.

Thursday

Temperature: 89°F

Wind Speed: 5 to 10 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 89.

Thursday Night

Temperature: 69°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 69.

Friday

Temperature: 90°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: A chance of rain showers between noon and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.

Friday Night

Temperature: 65°F

Wind Speed: 0 to 5 mph

Wind Direction: NW

Forecast: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

Saturday

Temperature: 85°F

Wind Speed: 5 mph

Wind Direction: NE

Forecast: Mostly sunny, with a high near 85.

Saturday Night

Temperature: 64°F

Wind Speed: 0 to 5 mph

Wind Direction: W

Forecast: Mostly clear, with a low around 64.

Sunday

Temperature: 84°F

Wind Speed: 0 to 5 mph

Wind Direction: E

Forecast: Sunny, with a high near 84.

Sunday Night

Temperature: 64°F

Wind Speed: 0 to 5 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 64.