Long Island MacArthur Airport (ISP) Weather 08/02/2026
Tonight
66
Slight Chance Showers then Patchy Fog
Friday
82
Patchy Fog then Mostly Sunny
Friday Night
67
Partly Cloudy
Saturday
83
Mostly Sunny
Saturday Night
69
Mostly Cloudy
Sunday
82
Mostly Cloudy
Sunday Night
69
Chance Showers
Monday
82
Chance Showers then Chance T-storms
Monday Night
66
Chance T-storms then Chance Showers
Tuesday
82
Mostly Sunny
Tuesday Night
67
Partly Cloudy
Wednesday
83
Mostly Sunny
Wednesday Night
68
Partly Cloudy
Weekly Forecast
Tonight
A 20 percent chance of showers before 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 66. Light northwest wind.
Friday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 82. Northwest wind 5 to 9 mph becoming southwest in the afternoon.
Friday Night
Partly cloudy, with a low around 67. Southwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 83. Light southwest wind becoming south 5 to 10 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 69. South wind 6 to 8 mph.
Sunday
Mostly cloudy, with a high near 82.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 69.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 68.