10-Day Weather Forecast - Portsmouth, NH

Mostly sunny in the morning then mostly cloudy with a chance of snow and rain in the afternoon. Highs in the upper 30s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of precipitation 50 percent.

Rain with snow likely. Little or no snow accumulation. Lows in the lower 30s. Light and variable winds. Chance of precipitation 90 percent.

Mostly sunny. A chance of snow in the morning. Highs in the upper 40s. Light and variable winds. Chance of snow 50 percent.

Partly cloudy. Lows around 30.

A chance of freezing rain in the morning. Partly sunny with a chance of rain. Highs in the lower 40s. Chance of precipitation 40 percent.

Rain and snow likely. Lows in the lower 30s. Chance of precipitation 70 percent.

Rain and snow likely mainly in the morning. Highs in the upper 30s. Chance of precipitation 60 percent.

Cloudy with a 40 percent chance of rain. Lows around 30.

Cloudy with a 30 percent chance of rain. Highs in the upper 40s.

Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s.

Mostly cloudy with a chance of rain in the morning then partly sunny in the afternoon. Highs in the mid 50s. Chance of rain 40 percent.

Cloudy. Low temperature around 41F. Dew point will be around 39F with an average humidity of 86%. Winds will be 4 mph from the SW.

Partly cloudy. High temperature around 57F. Dew point will be around 38F with an average humidity of 58%. Winds will be 4 mph from the W.

Partly cloudy. Low temperature around 42F. Dew point will be around 37F with an average humidity of 77%. Winds will be 3 mph from the SW.

Mostly cloudy. High temperature around 60F. Dew point will be around 40F with an average humidity of 61%. Winds will be 5 mph from the S.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 49F. Dew point will be around 44F with an average humidity of 78%. Winds will be 6 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 61F. Dew point will be around 45F with an average humidity of 63%. Winds will be 7 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 44F. Dew point will be around 40F with an average humidity of 72%. Winds will be 6 mph from the SW.