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Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
84°F
29°C
| Humidity | 67% |
| Wind Speed | SW 13 mph |
| Barometer | 29.82 in (1009.8 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 90°F (32°C) |
| Last update | 19 Jun 11:56 am EDT |
Extended Forecast for
Islandia NY
Juneteenth
High: 87 °F
Sunny
Tonight
Low: 65 °F
Chance
T-stormsFriday
High: 85 °F
Sunny
Friday Night
Low: 67 °F
Mostly Clear
Saturday
High: 89 °F
Slight Chance
Showers then
Mostly SunnySaturday Night
Low: 68 °F
Mostly Cloudy
Sunday
High: 85 °F
Partly Sunny
Sunday Night
Low: 68 °F
Partly Cloudy
Monday
High: 87 °F
Mostly Sunny
Detailed Forecast
Juneteenth
Sunny, with a high near 87. South wind 10 to 13 mph, with gusts as high as 23 mph.
Tonight
A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Southwest wind around 10 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 85. West wind 15 to 17 mph.
Friday Night
Mostly clear, with a low around 67. Southwest wind 5 to 9 mph.
Saturday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 89. Southwest wind 7 to 11 mph.
Saturday Night
Mostly cloudy, with a low around 68.
Sunday
Partly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 87.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Islandia NY
40.81°N 73.17°W (Elev. 161 ft)
40.81°N 73.17°W (Elev. 161 ft)
11:55 am EDT Jun 19, 2025
12pm EDT Jun 19, 2025-6pm EDT Jun 25, 2025
Additional Resources
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Hourly Weather Forecast
