Thursday
Sunny
High:
59°F
Sunny, with a high near 59.
Islip, NY Weather - Extended Forecast
Thursday Night
Mostly clear
Overnight low:
44°F
Mostly clear, with a low around 44.
Friday
Sunny
High:
62°F
Sunny, with a high near 62.
Friday Night
Mostly clear
Overnight low:
48°F
Mostly clear, with a low around 48.
Saturday
Mostly sunny
High:
66°F
Saturday Night
Partly cloudy
Overnight low:
56°F
Sunday
Mostly sunny
High:
70°F
Sunday Night
Showers likely
Overnight low:
54°F
Monday
Chance of showers
High:
66°F