10-Day Weather Forecast - Portsmouth, NH

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

Cloudy with a slight chance of sleet. A chance of freezing rain with a slight chance of snow in the evening then freezing rain and rain after midnight. Ice accumulation of up to two tenths of an inch. Lows in the mid 20s. Light and variable winds. Chance of precipitation 90 percent.

Rain. Patchy fog in the afternoon. Highs in the mid 40s. Light and variable winds becoming southwest around 10 mph in the afternoon. Chance of rain near 100 percent.

Partly cloudy. A chance of rain in the evening. Lows in the lower 20s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

Partly sunny. Highs in the upper 20s.

Partly cloudy. Lows 15 to 20.

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

Mostly cloudy in the evening then becoming partly cloudy. Lows around 20.

Mostly cloudy. A chance of snow showers in the afternoon. Highs in the upper 20s. Chance of snow 30 percent.

Mostly cloudy with a 30 percent chance of snow showers. Lows around 10 above.

Partly sunny. Highs in the mid 20s.

Partly cloudy in the evening then clearing. Lows around 10 above.

Partly sunny. Highs in the upper 20s.

Mostly clear with a slight chance of snow. Chance of precipitation 25%. Low temperature around 18F. Dew point will be around 11F with an average humidity of 69%. Winds will be 4 mph from the SW.

Cloudy with a chance of snow. Chance of precipitation 35%. High temperature around 28F. Dew point will be around 15F with an average humidity of 64%. Winds will be 6 mph from the W.

Partly cloudy. Low temperature around 19F. Dew point will be around 14F with an average humidity of 69%. Winds will be 7 mph from the W.

Sunny. High temperature around 28F. Dew point will be around 11F with an average humidity of 58%. Winds will be 7 mph from the W.

Mostly clear with a slight chance of snow. Chance of precipitation 30%. Low temperature around 18F. Dew point will be around 13F with an average humidity of 71%. Winds will be 4 mph from the W.