Long Island MacArthur Airport (ISP) Weather 08/31/2025
Today
81
Sunny
Tonight
64
Clear
Saturday
82
Sunny
Saturday Night
68
Mostly Clear
Sunday
80
Mostly Sunny
Sunday Night
68
Mostly Cloudy then Chance Showers
Monday
81
Chance Showers
Monday Night
64
Partly Cloudy
Tuesday
80
Sunny
Tuesday Night
61
Mostly Clear
Wednesday
77
Sunny
Wednesday Night
60
Mostly Clear
Thursday
78
Sunny
Weekly Forecast
Today
Sunny, with a high near 81. North wind 7 to 11 mph.
Tonight
Clear, with a low around 64. Southwest wind 3 to 5 mph.
Saturday
Sunny, with a high near 82. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 68. South wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 80. South wind 7 to 13 mph.
Sunday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 68.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 78.