Thursday
Mostly sunny
High:
65°F
Mostly sunny, with a high near 65.
Islip, NY Weather - Extended Forecast
Thursday Night
Mostly clear
Overnight low:
44°F
Mostly clear, with a low around 44.
Friday
Sunny
High:
57°F
Sunny, with a high near 57.
Friday Night
Mostly clear
Overnight low:
43°F
Mostly clear, with a low around 43.
Saturday
Sunny
High:
57°F
Saturday Night
Mostly clear
Overnight low:
44°F
Sunday
Sunny
High:
63°F
Sunday Night
Mostly clear
Overnight low:
49°F
Monday
Mostly sunny
High:
66°F