Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
39°F
4°C
| Humidity | 73% |
| Wind Speed | S 16 mph |
| Barometer | 29.86 in (1011.1 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 13 Mar 9:56 pm EDT |
Extended Forecast for
5 Miles SSE Blue Point NY
Tonight

Low: 42 °F
Slight Chance
Showers and
WindySaturday

High: 45 °F
Sunny and
WindySaturday Night

Low: 34 °F
Increasing
CloudsSunday

High: 45 °F
Mostly Cloudy
Sunday Night
Low: 41 °F
Mostly Cloudy
then Rain
Likely and
BreezyMonday

High: 53 °F
Rain and
WindyMonday Night

Low: 36 °F
Rain and Very
WindyTuesday
High: 41 °F
Windy. Chance
Rain then
Mostly SunnyTuesday Night

Low: 27 °F
Partly Cloudy
and Windy
Detailed Forecast
Tonight
A slight chance of showers between 11pm and 2am. Partly cloudy, with a steady temperature around 42. Windy, with a southwest wind 26 to 29 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 45. Windy, with a west wind 25 to 30 mph, with gusts as high as 43 mph.
Saturday Night
Increasing clouds, with a low around 34. Northwest wind 8 to 17 mph.
Sunday
Mostly cloudy, with a high near 45. Northeast wind 9 to 15 mph becoming southeast in the afternoon.
Sunday Night
Rain likely after 2am. Cloudy, with a low around 41. Breezy, with a southeast wind 14 to 24 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, with thunderstorms also possible after 2pm. High near 53. Windy. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain and possibly a thunderstorm. Low around 36. Very windy. Chance of precipitation is 90%.
Tuesday
A 30 percent chance of rain before 8am. Mostly sunny, with a high near 41. Windy.
Tuesday Night
Partly cloudy, with a low around 27. Windy.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Partly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 43.
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)
9:14 pm EDT Mar 13, 2026
10pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026


