Temperature
Cool by day, brisk at night.
Cool days and plenty of sun.
Cool by day, brisk at night.
Several rainy days. About 10 wet days this month.
Plenty of sun this month.
In October, afternoons feel about 50° and nights feel near 48°.
Partly cloudy skies this month.
Breezy conditions are typical in October. More a comfort consideration than a planning concern.
October late afternoons are around 59°F, and early evening stays near 58°F.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 39 | 30 | 4.5 | 11 | 6.4 | 72 | 42 |
| Feb | 38 | 30 | 3.8 | 10 | 7.2 | 72 | 40 |
| Mar | 42 | 35 | 4.6 | 11 | 8.3 | 73 | 39 |
| Apr | 48 | 43 | 4.3 | 11 | 9.4 | 77 | 43 |
| May | 56 | 52 | 3.8 | 11 | 10.3 | 83 | 49 |
| Jun | 65 | 61 | 3.3 | 9 | 11.4 | 85 | 58 |
| Jul | 72 | 68 | 2.9 | 8 | 11.9 | 86 | 66 |
| Aug | 72 | 69 | 3.2 | 8 | 11.1 | 84 | 68 |
| Sep | 68 | 64 | 4.0 | 8 | 9.5 | 80 | 65 |
| Oct | 60 | 55 | 4.9 | 10 | 8.1 | 75 | 59 |
| Nov | 52 | 45 | 3.8 | 9 | 6.5 | 72 | 53 |
| Dec | 45 | 37 | 4.9 | 11 | 5.8 | 72 | 47 |
Similar climates
Want a side-by-side climate view? Compare Martha's Vineyard with Nantucket.
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