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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
79°F
26°C
| Humidity | 74% |
| Wind Speed | W 12 mph |
| Barometer | 29.89 in (1012.0 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 11 Aug 9:56 am EDT |
Extended Forecast for
5 Miles SSE Blue Point NY
Today
High: 85 °F
Mostly Sunny
Tonight
Low: 70 °F
Slight Chance
T-storms then
Chance
ShowersWednesday
High: 83 °F
Chance
Showers then
Mostly SunnyWednesday Night
Low: 70 °F
Partly Cloudy
then Slight
Chance
T-stormsThursday
High: 81 °F
Mostly Sunny
then Slight
Chance
ShowersThursday Night
Low: 74 °F
Chance
ShowersFriday
High: 81 °F
Sunny
Friday Night
Low: 69 °F
Mostly Clear
Saturday
High: 77 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 85. Southwest wind 8 to 14 mph.
Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 2am. Partly cloudy, with a low around 70. West wind 7 to 9 mph becoming north after midnight. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers, mainly before 8am. Mostly sunny, with a high near 83. North wind 5 to 9 mph becoming south in the afternoon.
Wednesday Night
A slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 70. Southwest wind around 8 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers after 2pm. Mostly sunny, with a high near 81. South wind 7 to 13 mph. Chance of precipitation is 20%.
Thursday Night
A 30 percent chance of showers after 8pm. Mostly cloudy, with a low around 74.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 69.
Saturday
Sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 72. Breezy.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 77.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles SSE Blue Point NY
40.68°N 72.99°W (Elev. 0 ft)
40.68°N 72.99°W (Elev. 0 ft)
3:05 am EDT Aug 11, 2026
10am EDT Aug 11, 2026-6pm EDT Aug 17, 2026
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