East Setauket Weather in October

What's the weather like in East Setauket (New York) in October 2025?

The climate in East Setauket during October can be summarized as mild and a little damp.

October is in the fall / autumn in East Setauket and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 9°C (47°F) is normal.

East Setauket weather averages (imperial / metric)
Daytime temperature 18°C 64.3°F
Nightly temperature 8.5°C 47.2°F
Average temperature 13.2°C 55.8°F
Daily sunshine 7.4 hrs
Avg rainfall 90 mm 3.5 ins
Rainy days 7 days
Sea temperature 16.8°C 62.3°F
Humidity 72%
Windspeed 17.3kph 11 mph

On average October is the 5th driest month of the year in East Setauket with around 90mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.4 hours of sunshine per day.

October temperatures in East Setauket

East Setauket average temperature in October

October rainfall

East Setauket average rain in October

October hourly sunshine

East Setauket average rain in October

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in East Setauket in October 2025.

Other monthly averages

Best places to visit in October

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

East Setauket weather stats

East Setauket weather statistics
Hottest month: July 27.6°C 81.7°F
Driest month: February 84mm 3.3ins
Sunniest month: August 9.1hrs
Coldest month: January 2.9°C 37.2°F
Wettest month: November 107mm 4.2ins
Map showing location of East Setauket (40.94149, -73.10594) East Setauket map pin © Google

Locations nearby

Top United States locations