Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
37°F
3°C
| Humidity | 79% |
| Wind Speed | W 6 mph |
| Barometer | 29.73 in (1006.7 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 32°F (0°C) |
| Last update | 26 Feb 12:56 am EST |
Extended Forecast for
5 Miles SSE Blue Point NY
Overnight

Low: 32 °F
Partly Cloudy
Thursday
High: 37 °F
Mostly Sunny
then Slight
Chance SnowThursday Night

Low: 25 °F
Decreasing
CloudsFriday

High: 37 °F
Sunny
Friday Night

Low: 33 °F
Mostly Clear
Saturday

High: 41 °F
Sunny
Saturday Night

Low: 31 °F
Increasing
CloudsSunday
High: 36 °F
Mostly Cloudy
then Partly
Sunny and
BreezySunday Night

Low: 20 °F
Partly Cloudy
and Blustery
Detailed Forecast
Overnight
Partly cloudy, with a low around 32. West wind 14 to 18 mph.
Thursday
A 20 percent chance of snow after 1pm. Partly sunny, with a high near 37. Wind chill values between 25 and 30. Northwest wind 6 to 13 mph becoming northeast in the afternoon.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Wind chill values between 20 and 25. North wind 6 to 8 mph.
Friday
Sunny, with a high near 37. Wind chill values between 20 and 30. Northeast wind 5 to 7 mph becoming south in the afternoon.
Friday Night
Mostly clear, with a low around 33. South wind 7 to 9 mph.
Saturday
Sunny, with a high near 41.
Saturday Night
Increasing clouds, with a low around 31.
Sunday
Mostly cloudy, with a high near 36. Breezy.
Sunday Night
Partly cloudy, with a low around 20. Blustery.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 28.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 23.
Tuesday
A 30 percent chance of snow. Mostly cloudy, with a high near 37.
Tuesday Night
A 50 percent chance of rain. Cloudy, with a low around 31.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 40.
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)
12:57 am EST Feb 26, 2026
1am EST Feb 26, 2026-6pm EST Mar 4, 2026


