10-Day Weather Forecast - Alton Bay, NH

Mostly sunny. Highs in the lower 60s. Light and variable winds, becoming west around 10 mph in the afternoon.

Mostly clear. Lows in the mid 30s. Northwest winds around 10 mph with gusts up to 20 mph.

Mostly sunny. Highs around 50. Light and variable winds, becoming northwest around 10 mph in the afternoon.

Mostly clear. Lows in the mid 20s.

Mostly sunny. Highs in the lower 50s.

Mostly clear. Lows in the lower 30s.

Mostly sunny. Highs in the lower 60s.

Mostly clear. Lows in the mid 40s.

Mostly sunny. Highs in the lower 60s.

Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s.

Partly sunny. Highs in the lower 60s.

Mostly cloudy. Low temperature around 42F. Dew point will be around 40F with an average humidity of 78%. Winds will be 3 mph from the WSW.

Mostly cloudy. High temperature around 65F. Dew point will be around 49F with an average humidity of 71%. Winds will be 7 mph from the W.

Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 50F. Dew point will be around 50F with an average humidity of 93%. Winds will be 4 mph from the SW.

Cloudy. High temperature around 59F. Dew point will be around 51F with an average humidity of 76%. Winds will be 11 mph from the NW.

Partly cloudy. Low temperature around 33F. Dew point will be around 21F with an average humidity of 58%. Winds will be 12 mph from the NNE.

Sunny. High temperature around 45F. Dew point will be around 21F with an average humidity of 42%. Winds will be 9 mph from the NE.

Partly cloudy. Low temperature around 31F. Dew point will be around 22F with an average humidity of 70%. Winds will be 3 mph from the NE.