10-Day Weather Forecast - Portsmouth, NH

Mostly sunny. Highs in the upper 30s. West winds around 10 mph with gusts up to 20 mph in the morning becoming light and variable.

Partly cloudy. Lows in the lower 20s. Light and variable winds.

Mostly sunny. Highs in the lower 40s. Light and variable winds becoming south around 10 mph in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 20s.

Partly sunny. Highs in the upper 40s.

Partly cloudy. Lows around 30.

Partly sunny in the morning then becoming mostly cloudy. A chance of snow in the morning. A chance of rain. Highs in the mid 40s. Chance of precipitation 40 percent.

Mostly cloudy with a chance of rain and snow. Lows in the lower 30s. Chance of precipitation 40 percent.

A chance of snow in the morning. Mostly cloudy with a chance of rain. Highs around 50. Chance of precipitation 40 percent.

A chance of rain in the evening. Partly cloudy with a chance of snow. Lows around 30. Chance of precipitation 40 percent.

Mostly sunny. A chance of snow in the morning. Highs in the mid 40s. Chance of snow 30 percent.

Clear. Low temperature around 24F. Dew point will be around 12F with an average humidity of 53%. Winds will be 8 mph from the NW.

Sunny. High temperature around 42F. Dew point will be around 10F with an average humidity of 34%. Winds will be 6 mph from the W.

Mostly clear. Low temperature around 30F. Dew point will be around 17F with an average humidity of 51%. Winds will be 6 mph from the SW.

Partly cloudy. High temperature around 47F. Dew point will be around 20F with an average humidity of 42%. Winds will be 7 mph from the SW.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 35F. Dew point will be around 26F with an average humidity of 64%. Winds will be 5 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 52F. Dew point will be around 35F with an average humidity of 62%. Winds will be 9 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 44F. Dew point will be around 38F with an average humidity of 70%. Winds will be 8 mph from the SW.