Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
31°F
-1°C
| Humidity | 56% |
| Wind Speed | NW 16 G 22 mph |
| Barometer | 30.03 in (1016.9 mb) |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 13 Mar 4:56 am EDT |
Extended Forecast for
5 Miles SSE Blue Point NY
Today

High: 46 °F
Increasing
CloudsTonight
Low: 38 °F
Breezy.
Slight Chance
Rain then
Partly CloudySaturday

High: 47 °F
Sunny and
WindySaturday Night

Low: 33 °F
Increasing
CloudsSunday

High: 46 °F
Mostly Cloudy
Sunday Night
Low: 39 °F
Mostly Cloudy
then Chance
Rain and
WindyMonday

High: 55 °F
Rain and
WindyMonday Night

Low: 38 °F
Rain and Very
WindyTuesday
High: 45 °F
Windy. Rain
Likely then
Mostly Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 46. Northwest wind 6 to 16 mph becoming south in the afternoon.
Tonight
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 38. Breezy, with a south wind 20 to 24 mph, with gusts as high as 34 mph.
Saturday
Sunny, with a high near 47. Windy, with a west wind 24 to 30 mph.
Saturday Night
Increasing clouds, with a low around 33. Northwest wind 7 to 15 mph.
Sunday
Mostly cloudy, with a high near 46. Southeast wind 8 to 15 mph.
Sunday Night
A 50 percent chance of rain after 2am. Cloudy, with a low around 39. Windy.
Monday
Rain, with thunderstorms also possible after 8am. High near 55. Windy. Chance of precipitation is 90%.
Monday Night
Rain. Low around 38. Very windy. Chance of precipitation is 90%.
Tuesday
Rain likely before 8am. Mostly sunny, with a high near 45. Windy. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 25. Windy.
Wednesday
Sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 42.
Additional Forecasts and Information
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ABOUT 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 Mar 13, 2026
5am EDT Mar 13, 2026-6pm EDT Mar 19, 2026


