Long Island MacArthur Airport (ISP) Weather 07/20/2025
Tonight
70
Chance T-storms then Partly Cloudy
Monday
83
Sunny
Monday Night
61
Mostly Clear
Tuesday
80
Sunny
Tuesday Night
60
Mostly Clear
Wednesday
85
Sunny
Wednesday Night
71
Partly Cloudy
Thursday
87
Sunny
Thursday Night
75
Mostly Clear
Friday
91
Sunny
Friday Night
75
Partly Cloudy
Saturday
90
Mostly Sunny then Chance Showers
Saturday Night
73
Chance Showers
Weekly Forecast
Tonight
A 30 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 70. Southwest wind 6 to 8 mph becoming northwest after midnight.
Monday
Sunny, with a high near 83. Northwest wind 10 to 16 mph.
Monday Night
Mostly clear, with a low around 61. North wind around 8 mph.
Tuesday
Sunny, with a high near 80. Northeast wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 60. South wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 75.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 90.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 73.