Thursday
Partly sunny
High:
83°F
Partly sunny, with a high near 83.
Islip, NY Weather - Extended Forecast
Thursday Night
Chance of thunderstorms
Overnight low:
70°F
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Friday
Mostly sunny
High:
89°F
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
Friday Night
Chance of thunderstorms
Overnight low:
71°F
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Saturday
Mostly sunny
High:
84°F
Saturday Night
Partly cloudy
Overnight low:
69°F
Sunday
Mostly sunny
High:
83°F
Sunday Night
Partly cloudy
Overnight low:
69°F
Monday
Chance of showers
High:
84°F