Islip, NY Weather - Tomorrow’s Forecast

Saturday

Cold

High:
19°F

Mostly sunny and cold, with a high near 19. Wind chill values between -10 and zero. Northwest wind 11 to 15 mph.

Saturday Night

Mostly cloudy

Overnight low:
13°F

A 40 percent chance of snow, mainly after 4am. Cloudy, with a low around 13. Wind chill values between 5 and 10. North wind around 6 mph.