Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
35°F
2°C
| Humidity | 57% |
| Wind Speed | Calm |
| Barometer | 30.06 in (1018.0 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Last update | 17 Jan 6:56 am EST |
Extended Forecast for
5 Miles SSE Blue Point NY
Today
High: 43 °F
Slight Chance
Rain then
Rain LikelyTonight

Low: 33 °F
Chance Rain
Sunday

High: 37 °F
Rain/Snow
LikelySunday Night

Low: 27 °F
Chance Snow
M.L.King Day

High: 35 °F
Mostly Sunny
and BreezyMonday Night

Low: 20 °F
Partly Cloudy
and WindyTuesday

High: 25 °F
Sunny and
BreezyTuesday Night

Low: 20 °F
Mostly Clear
and BreezyWednesday
High: 38 °F
Sunny then
Partly Sunny
and Breezy
Detailed Forecast
Today
Rain likely, mainly between 1pm and 4pm. Mostly cloudy, with a high near 43. Southwest wind 16 to 18 mph. Chance of precipitation is 60%.
Tonight
A chance of rain before 7pm, then a chance of rain after 4am. Mostly cloudy, with a low around 33. West wind 6 to 14 mph. Chance of precipitation is 30%.
Sunday
Snow likely, possibly mixed with rain, becoming all snow after 4pm. Cloudy, with a high near 37. West wind 6 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 30 percent chance of snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 27. Wind chill values between 15 and 25. Northwest wind 11 to 14 mph.
M.L.King Day
Mostly sunny, with a high near 35. Breezy, with a west wind 17 to 25 mph.
Monday Night
Partly cloudy, with a low around 20. Windy.
Tuesday
Sunny, with a high near 25. Breezy.
Tuesday Night
Mostly clear, with a low around 20. Breezy.
Wednesday
Mostly sunny, with a high near 38. Breezy.
Wednesday Night
Mostly cloudy, with a low around 34. Breezy.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Mostly sunny, with a high near 33.
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)
4:17 am EST Jan 17, 2026
7am EST Jan 17, 2026-6pm EST Jan 23, 2026


