Boston Weather in October

October in Boston typically sees daytime highs of 17°C (63°F) and nighttime lows of 9°C (48°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Boston in October

Expect around 12 days of rain based on historical data, with 111 mm (4.4 in) average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Boston in October

Boston in October gets highs of 17°C (63°F) during the day and drops to 9°C (48°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Boston in October

The city usually sees around 207 hours of sunlight, indicating many sunny days , a great month for sightseeing.

Wind Speed in Boston in October

October sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.

Average water temperature in October

The water is 14°C (57°F) this month, cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

Should you favor a climate that's both dry and comfortably warm, August and September typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.