Discover Nantucket, MA
Nantucket is a small island 30 miles off the coast of Cape Cod, Massachusetts. It is a popular summer destination with beautiful dunes and beaches. Nantucket is well-known for whale watching, Nantucket bay scallops, and its historic lighthouses. Visitors looking for a relaxing getaway will find it here Nantucket Island.
View live webcams in Nantucket, check the current weather conditions, and see what’s happening at the beach. Planning to visit to Nantucket? Use our local map of the area to discover nearby coastal spots and stay up-to-date with the local weather forecast before you go.
Nantucket, Massachusetts Average Temperatures
Use this weather chart as a guide to view the average air and ocean temperatures in Nantucket, MA.
The average air temperature in the summer varies between 75-80 degrees.
The average ocean temperature in the summer varies between 65-70 degrees.
| Average High | Average Low | Average Ocean Temp | |
|---|---|---|---|
| January | 36 | 22 | 38 |
| February | 40 | 26 | 37 |
| March | 46 | 30 | 40 |
| April | 55 | 39 | 47 |
| May | 65 | 49 | 57 |
| June | 74 | 61 | 61 |
| July | 81 | 66 | 68 |
| August | 80 | 64 | 68 |
| September | 73 | 57 | 66 |
| October | 63 | 45 | 59 |
| November | 54 | 40 | 52 |
| December | 40 | 30 | 43 |
Average high, low and ocean temperatures in Nantucket. Sources: Accuweather, Weather.com, NOAA Climate.gov.
