Temperature
Cool by day, brisk at night.
60°Ftypical October high
Typical range
Cool days and plenty of sun. Wind on exposed beaches is the main drawback.
Cool by day, brisk at night.
Several rainy days. About 10 wet days this month.
Plenty of sun this month.
In October, days and nights feel about the same, around 48°.
Partly cloudy skies this month.
Wind can affect exposed beach comfort.
October stays around 57°F through the day and night.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 40 | 33 | 4.6 | 13 | 5.9 | 73 | 42 |
| Feb | 40 | 33 | 4.1 | 11 | 7.0 | 74 | 40 |
| Mar | 42 | 36 | 4.5 | 11 | 8.1 | 76 | 39 |
| Apr | 47 | 43 | 4.1 | 11 | 9.4 | 81 | 43 |
| May | 53 | 50 | 3.7 | 10 | 10.3 | 87 | 49 |
| Jun | 61 | 58 | 3.1 | 8 | 11.5 | 90 | 58 |
| Jul | 69 | 66 | 3.0 | 8 | 11.9 | 90 | 66 |
| Aug | 70 | 67 | 3.5 | 9 | 11.2 | 88 | 68 |
| Sep | 66 | 63 | 4.1 | 8 | 9.6 | 83 | 65 |
| Oct | 60 | 55 | 5.2 | 10 | 8.1 | 77 | 59 |
| Nov | 52 | 46 | 4.0 | 9 | 6.3 | 73 | 53 |
| Dec | 46 | 39 | 4.9 | 12 | 5.5 | 73 | 47 |
Similar climates
Want a side-by-side climate view? Compare Nantucket with Martha's Vineyard.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology