View an extended Nantucket weather forecast from or below is a list of average temperatures for each month. Nantucket, MA is truly a destination for all seasons. We invite you to come and enjoy the wonderful weather in person at our Nantucket bed and breakfast!

Month Avg. High Avg. Low Avg. Rain
January 39°F 25°F 3.61"
February 39°F 26°F 2.72"
March 45°F 31°F 4.25"
April 52°F 46°F 3.74"
May 60°F 46°F 3.42"
June 68°F 56°F 3.49"
July 75°F 62°F 3.09"
August 75°F 62°F 3.91"
September 70°F 56°F 4.04"
October 61°F 48°F 3.92"
November 52°F 40°F 4.43"
December 44°F 31°F 3.80"