Temperature
Cool by day, brisk at night.
62°Ftypical October high
Typical range
Cool days and good sunshine.
Cool by day, brisk at night.
Several rainy days. About 10 wet days this month.
Good sunshine this month.
In October, afternoons feel about 54° and nights feel near 45°.
Partly cloudy skies this month.
Calm winds are typical in October.
October late afternoons are around 60°F, easing to about 55°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 37 | 25 | 3.9 | 10 | 6.4 | 67 |
| Feb | 39 | 26 | 3.4 | 10 | 7.3 | 65 |
| Mar | 46 | 33 | 4.4 | 11 | 8.0 | 65 |
| Apr | 55 | 42 | 4.1 | 11 | 9.1 | 66 |
| May | 65 | 51 | 3.4 | 11 | 10.0 | 71 |
| Jun | 74 | 60 | 3.5 | 11 | 11.0 | 74 |
| Jul | 80 | 67 | 3.1 | 10 | 11.6 | 74 |
| Aug | 79 | 65 | 3.3 | 10 | 10.8 | 75 |
| Sep | 72 | 60 | 3.4 | 8 | 9.1 | 76 |
| Oct | 62 | 49 | 4.3 | 10 | 7.7 | 74 |
| Nov | 51 | 39 | 3.3 | 9 | 6.4 | 70 |
| Dec | 42 | 31 | 4.5 | 11 | 5.8 | 70 |
Similar climates
Want a side-by-side climate view? Compare Boston with Washington DC.
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: Aug 28, 2026
Data & methodology