Long Island MacArthur Airport (ISP) Weather 11/20/2025
Today
56
Mostly Sunny then Slight Chance Showers
Tonight
34
Partly Cloudy
Monday
45
Mostly Sunny
Monday Night
33
Mostly Clear
Tuesday
48
Sunny
Tuesday Night
35
Mostly Cloudy
Wednesday
49
Partly Sunny
Wednesday Night
38
Mostly Cloudy
Thursday
52
Mostly Cloudy
Thursday Night
43
Mostly Cloudy then Chance Rain
Friday
58
Chance Rain
Friday Night
46
Chance Rain
Saturday
58
Chance Rain
Weekly Forecast
Today
A 20 percent chance of showers after 1pm. Mostly sunny, with a temperature falling to around 46 by 5pm. West wind 16 to 18 mph, with gusts as high as 36 mph.
Tonight
Partly cloudy, with a low around 34. Wind chill values between 25 and 30. West wind 14 to 17 mph, with gusts as high as 36 mph.
Monday
Mostly sunny, with a high near 45. Wind chill values between 25 and 35 early. West wind around 17 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 33. West wind 10 to 14 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 48. West wind around 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Mostly cloudy, with a high near 52.
Thursday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 43.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 58.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 46.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 58.