Boston · October
Run in the morning.
Cool month: average high 63°F, low 49°F. Humidity averages 77% — the limiting factor on most runs. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
63° / 49°F
Humidity
77%
Rain days
13/mo
Wind
13 mph
What October feels like in Boston
Sunrise
06:59
Mid-month average
Sunset
18:01
Mid-month average
Time-of-day breakdown
Morning
Coolest, driest air of the day. The window before sunrise is the most reliable comfortable hour.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Boston in October
The kit for October in Boston: a long-sleeve or light jacket for the first mile, a water-resistant cap or jacket on standby.
October vs the surrounding months
vs September
-11° avg high
+1 rain days
Boston in September →
October
63°F avg high
13 rain days
Best: morning
vs November
+12° avg high
+2 rain days
Boston in November →
Frequently Asked Questions
What is the best time of day to run in Boston in October?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Boston in October?+
Average high 63°F, average low 49°F.
How does October compare to surrounding months in Boston?+
Compared to September (avg high 74°F), October is cooler. Compared to November (avg high 51°F), October is warmer.
Does it rain often in Boston in October?+
Expect about 13 measurable rain days in October, on average.