
THINGS TO DO · YOUTUBE SHORT
Heckscher State Park, East Islip, NY, US - Part 1
A local activity video shared by OurTrip Videos.
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Weather · October
Average highs of 64°F, lows of 47°F and 4.0 in of rain, from 30 years of weather records.
October is Islip’s 6th warmest month, with average highs of 64°F and lows of 47°F. That is 11° cooler than September, and 3° above the yearly average high.
High and low Rain
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A look around town before you go.

THINGS TO DO · YOUTUBE SHORT
A local activity video shared by OurTrip Videos.
Watch on YouTube ↗
THINGS TO DO · YOUTUBE SHORT
A local activity video shared by CBS New York.
Watch on YouTube ↗Planning a trip? See the best time to visit Islip and today’s forecast.
Average highs are 64°F and average lows 47°F, for a daily mean of 56°F. Individual days run hotter or colder than these 30-year averages.
October averages 4.0 in of precipitation over about 9 days with at least 0.01 in. It is the 6th wettest month of the year.
Around mid-October the sun rises about 7:03 AM and sets about 6:13 PM, for roughly 11.2 hours of daylight.
The mildest months for visiting are May, July, September. October is mild, with Halloween events.
NOAA U.S. Climate Normals 1991–2020, Islip Li Macarthur Ap station (9.7 mi from downtown). Sunrise and sunset are calculated for October 15 at the city’s coordinates.