10-Day Weather Forecast - Portsmouth, NH

Mostly sunny. Highs in the mid 40s. Light and variable winds.

Partly cloudy with a slight chance of rain in the evening then cloudy with rain likely after midnight. Lows in the mid 30s. Temperatures rising into the mid 40s after midnight. South winds 10 to 15 mph. Chance of rain 70 percent.

Rain. Highs in the mid 50s. Temperatures falling into the upper 40s in the afternoon. South winds 15 to 20 mph with gusts up to 40 mph. Chance of rain near 100 percent.

Partly cloudy. A chance of rain in the evening. Lows in the mid 20s. West winds 10 to 15 mph with gusts up to 35 mph. Chance of rain 50 percent.

Partly sunny. Highs in the upper 30s.

Cloudy. Lows in the upper 20s.

Mostly cloudy in the morning then becoming partly sunny. Highs in the mid 40s.

Partly cloudy. Lows around 20.

Mostly sunny. Highs in the upper 20s.

Mostly clear in the evening then becoming partly cloudy. Lows 15 to 20.

Partly sunny in the morning then becoming mostly cloudy. A chance of snow. A chance of rain in the afternoon. Highs in the mid 30s. Chance of precipitation 40 percent.

Mostly cloudy with a chance of rain and snow in the evening then partly cloudy after midnight. Lows in the lower 20s. Chance of precipitation 40 percent.

Partly sunny. Highs in the mid 30s.

Mostly clear. Low temperature around 26F. Dew point will be around 19F with an average humidity of 70%. Winds will be 5 mph from the W.

Cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. High temperature around 36F. Dew point will be around 25F with an average humidity of 76%. Winds will be 3 mph from the SW.

Cloudy with a chance of rain-snow mix. Chance of precipitation 35%. Low temperature around 30F. Dew point will be around 28F with an average humidity of 82%. Winds will be 3 mph from the W.

Cloudy with a chance of rain-snow mix. Chance of precipitation 45%. High temperature around 39F. Dew point will be around 31F with an average humidity of 84%. Winds will be 3 mph from the W.

Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 34F. Dew point will be around 32F with an average humidity of 86%. Winds will be 4 mph from the W.