Long Island MacArthur Airport (ISP) Weather 08/11/2025
Today
86
Sunny
Tonight
66
Mostly Clear
Tuesday
87
Sunny
Tuesday Night
70
Mostly Clear
Wednesday
86
Slight Chance Showers then Slight Chance T-storms
Wednesday Night
71
Chance T-storms
Thursday
87
Chance Showers
Thursday Night
69
Partly Cloudy
Friday
84
Sunny
Friday Night
66
Mostly Clear
Saturday
83
Sunny
Saturday Night
67
Mostly Clear
Sunday
86
Sunny
Weekly Forecast
Today
Sunny, with a high near 86. Light southwest wind becoming south 5 to 10 mph in the morning.
Tonight
Mostly clear, with a low around 66. Southwest wind 5 to 8 mph.
Tuesday
Sunny, with a high near 87. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 70. South wind 6 to 9 mph.
Wednesday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 86. South wind 7 to 11 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny, with a high near 86.