Boston · March
Run in the midday.
Cold: average high 45°F, low 27°F. Layering becomes the workout. Cold mornings warm into runnable midday hours — the windows around noon catch the warmest temperatures.
Avg high / low
45° / 27°F
Humidity
67%
Rain days
14/mo
Wind
15 mph
What March feels like in Boston
Sunrise
06:54
Mid-month average
Sunset
18:51
Mid-month average
Time-of-day breakdown
Morning
Steady cool air, low wind, and good light. The standard runner window in most months.
Midday
Often the warmest few hours of a cold day. If you can only run once, midday gives you the most temperate window.
Evening
Cold drops back in fast after sunset. Tight window — done before headlamp territory.
What to wear running in Boston in March
The kit for March in Boston: cold-weather layers, gloves, and ear coverage on most mornings, a wind-blocking layer for exposed routes, a water-resistant cap or jacket on standby.
March vs the surrounding months
vs February
+6° avg high
+1 rain days
Boston in February →
March
45°F avg high
14 rain days
Best: midday
vs April
-11° avg high
0 rain days
Boston in April →
Frequently Asked Questions
What is the best time of day to run in Boston in March?+
Midday. Cold mornings warm into runnable midday hours — the windows around noon catch the warmest temperatures.
What's the average temperature in Boston in March?+
Average high 45°F, average low 27°F.
How does March compare to surrounding months in Boston?+
Compared to February (avg high 39°F), March is warmer. Compared to April (avg high 56°F), March is cooler.
Does it rain often in Boston in March?+
Expect about 14 measurable rain days in March, on average.