Currently: 57 °F. Overcast. (Weather station: Nantucket Memorial Airport, USA). See more current weatherAnnual Weather Averages in Nantucket
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Nantucket
High Temp: 76 °F
Low Temp: 26 °F
Mean Temp: 51 °F
Precipitation: 2.89"
Humidity: 77%
Dew Point: 44 °F
Wind: 19 mph
Pressure: 30.03 "Hg
Visibility: 10 mi
January Climate & Weather Averages in Nantucket
High Temp: 40 °F
Low Temp: 26 °F
Mean Temp: 33 °F
Precipitation: 2.74"
Humidity: 73%
Dew Point: 25 °F
Wind: 22 mph
Pressure: 30.04 "Hg
Visibility: 10 mi
February Climate & Weather Averages in Nantucket
High Temp: 40 °F
Low Temp: 26 °F
Mean Temp: 33 °F
Precipitation: 2.59"
Humidity: 73%
Dew Point: 25 °F
Wind: 22 mph
Pressure: 30.03 "Hg
Visibility: 10 mi
March Climate & Weather Averages in Nantucket
High Temp: 44 °F
Low Temp: 31 °F
Mean Temp: 38 °F
Precipitation: 3.31"
Humidity: 72%
Dew Point: 29 °F
Wind: 22 mph
Pressure: 30.05 "Hg
Visibility: 10 mi
April Climate & Weather Averages in Nantucket
High Temp: 52 °F
Low Temp: 39 °F
Mean Temp: 46 °F
Precipitation: 2.89"
Humidity: 74%
Dew Point: 37 °F
Wind: 21 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Nantucket
High Temp: 61 °F
Low Temp: 47 °F
Mean Temp: 54 °F
Precipitation: 2.65"
Humidity: 78%
Dew Point: 47 °F
Wind: 19 mph
Pressure: 30.00 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Nantucket
High Temp: 69 °F
Low Temp: 56 °F
Mean Temp: 63 °F
Precipitation: 2.41"
Humidity: 82%
Dew Point: 57 °F
Wind: 17 mph
Pressure: 29.97 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Nantucket
High Temp: 76 °F
Low Temp: 63 °F
Mean Temp: 69 °F
Precipitation: 1.93"
Humidity: 83%
Dew Point: 64 °F
Wind: 16 mph
Pressure: 29.97 "Hg
Visibility: 8 mi
August Climate & Weather Averages in Nantucket
High Temp: 76 °F
Low Temp: 63 °F
Mean Temp: 69 °F
Precipitation: 2.36"
Humidity: 83%
Dew Point: 64 °F
Wind: 15 mph
Pressure: 30.01 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Nantucket
High Temp: 71 °F
Low Temp: 57 °F
Mean Temp: 64 °F
Precipitation: 3.20"
Humidity: 81%
Dew Point: 58 °F
Wind: 17 mph
Pressure: 30.06 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Nantucket
High Temp: 62 °F
Low Temp: 48 °F
Mean Temp: 55 °F
Precipitation: 3.87"
Humidity: 77%
Dew Point: 48 °F
Wind: 20 mph
Pressure: 30.05 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Nantucket
High Temp: 53 °F
Low Temp: 39 °F
Mean Temp: 46 °F
Precipitation: 3.31"
Humidity: 75%
Dew Point: 38 °F
Wind: 21 mph
Pressure: 30.08 "Hg
Visibility: 10 mi
December Climate & Weather Averages in Nantucket
High Temp: 45 °F
Low Temp: 31 °F
Mean Temp: 38 °F
Precipitation: 3.39"
Humidity: 75%
Dew Point: 31 °F
Wind: 21 mph
Pressure: 30.06 "Hg
Visibility: 10 mi