Sunday
Partly sunny
High:
85°F
Partly sunny, with a high near 85.
Islip, NY Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
71°F
Mostly clear, with a low around 71.
Monday
Sunny
High:
90°F
Sunny, with a high near 90.
Monday Night
Mostly clear
Overnight low:
72°F
Mostly clear, with a low around 72.
Tuesday
Sunny
High:
91°F
Tuesday Night
Partly cloudy
Overnight low:
74°F
Wednesday
Mostly sunny
High:
87°F
Wednesday Night
Partly cloudy
Overnight low:
67°F
Thursday
Partly sunny
High:
78°F