


Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Overcast
73°F
23°C
Humidity | 81% |
Wind Speed | SE 7 mph |
Barometer | 30.10 in (1019.0 mb) |
Dewpoint | 67°F (19°C) |
Visibility | 10.00 mi |
Last update | 12 Jul 8:56 pm EDT |
Extended Forecast for
Central Islip NY
Tonight
Low: 70 °F
Mostly Cloudy
Sunday
High: 83 °F
Partly Sunny
Sunday Night
Low: 71 °F
Mostly Cloudy
Monday
High: 84 °F
Mostly Cloudy
then Chance
T-stormsMonday Night
Low: 72 °F
Chance
T-storms then
Chance
ShowersTuesday
High: 90 °F
Sunny
Tuesday Night
Low: 74 °F
Mostly Clear
Wednesday
High: 90 °F
Sunny
Wednesday Night
Low: 75 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 83. East wind 5 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 71. Southeast wind around 6 mph becoming calm in the evening.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. South wind 3 to 8 mph.
Monday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 72. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly cloudy, with a low around 75.
Thursday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 90.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 75.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 87.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Central Islip NY
40.79°N 73.2°W (Elev. 98 ft)
40.79°N 73.2°W (Elev. 98 ft)
6:14 pm EDT Jul 12, 2025
9pm EDT Jul 12, 2025-6pm EDT Jul 19, 2025