10-Day Weather Forecast - Portsmouth, NH

Partly sunny. Highs in the mid 20s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 4 below in the morning.

Mostly cloudy in the evening then becoming partly cloudy. Lows around 16. West winds around 10 mph in the evening becoming light and variable.

Mostly sunny. Highs in the lower 30s. Light and variable winds.

Partly cloudy. Lows in the lower 20s. Light and variable winds becoming southwest around 10 mph with gusts up to 20 mph after midnight.

Partly sunny. Highs in the lower 40s.

Partly cloudy in the evening then clearing. Lows in the mid 20s.

Partly sunny. Highs in the upper 40s.

A chance of rain in the evening then rain after midnight. Lows in the mid 30s. Chance of rain 80 percent.

Rain likely in the morning then partly sunny with a chance of rain in the afternoon. Highs around 50. Temperatures falling into the mid 30s in the afternoon. Chance of rain 70 percent.

Partly cloudy in the evening then clearing. Lows 15 to 20.

Partly sunny in the morning then becoming mostly cloudy. Highs in the mid 30s.

Cloudy with a chance of snow. A chance of rain after midnight. Lows in the mid 20s. Chance of precipitation 40 percent.

Mostly cloudy. A chance of rain in the morning. Highs in the mid 40s. Chance of rain 30 percent.

Mostly clear. Low temperature around 26F. Dew point will be around 24F with an average humidity of 76%. Winds will be 7 mph from the NW.

Sunny. High temperature around 33F. Dew point will be around 18F with an average humidity of 61%. Winds will be 6 mph from the W.

Partly cloudy. Low temperature around 28F. Dew point will be around 19F with an average humidity of 67%. Winds will be 4 mph from the W.

Cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. High temperature around 38F. Dew point will be around 25F with an average humidity of 69%. Winds will be 6 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 32F. Dew point will be around 29F with an average humidity of 79%. Winds will be 6 mph from the W.