10-Day Weather Forecast - Nantucket, MA

Mostly cloudy in the morning then becoming partly sunny. Patchy fog in the morning. Humid with highs in the mid 70s. North winds 15 to 20 mph.

Partly cloudy. Lows in the mid 60s. Northwest winds 5 to 10 mph becoming west 10 to 15 mph after midnight.

Mostly sunny. Humid with highs in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Mostly cloudy with a 30 percent chance of showers. Humid with lows in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Mostly sunny. Near steady temperature in the lower 70s.

Mostly cloudy. Lows in the upper 60s.

Partly cloudy. Highs in the upper 70s. Lows in the mid 60s.

Partly cloudy. Highs in the upper 70s. Lows in the mid 60s.

Sunny. Highs in the upper 70s.

Partly cloudy. Lows in the upper 60s. Highs in the upper 70s.

Partly cloudy. Lows in the upper 60s. Highs in the upper 70s.

Partly cloudy. Lows in the upper 60s. Highs in the upper 70s.

Partly cloudy. Lows in the upper 60s. Highs in the upper 70s.

Mostly clear with a 35% chance for rain and thunderstorms. Low temperature around 67F. Dew point will be around 66F with an average humidity of 91%. Winds will be 13 mph from the SW.

Mostly sunny with scattered thunderstorms. Chance of storms 35%. High temperature around 76F. Dew point will be around 67F with an average humidity of 80%. Winds will be 12 mph from the SW.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 68F. Dew point will be around 66F with an average humidity of 90%. Winds will be 12 mph from the SW.

Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 77F. Dew point will be around 68F with an average humidity of 79%. Winds will be 11 mph from the SW.

Partly cloudy. Low temperature around 69F. Dew point will be around 68F with an average humidity of 90%. Winds will be 12 mph from the SW.