Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Overcast
44°F
7°C
| Humidity | 76% |
| Wind Speed | SW 15 G 26 mph |
| Barometer | 29.78 in (1008.5 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 37°F (3°C) |
| Last update | 13 Jan 9:56 pm EST |
Extended Forecast for
5 Miles SSE Blue Point NY
Tonight

Low: 41 °F
Mostly Cloudy
and BreezyWednesday
High: 44 °F
Slight Chance
Rain then
Mostly CloudyWednesday Night

Low: 31 °F
Chance Rain
Thursday

High: 36 °F⇓
Decreasing
Clouds and
BreezyThursday Night

Low: 21 °F
Partly Cloudy
and BlusteryFriday
High: 37 °F
Sunny then
Mostly Sunny
and BreezyFriday Night

Low: 32 °F
Mostly Cloudy
and BreezySaturday

High: 41 °F
Partly Sunny
Saturday Night

Low: 29 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 41. Breezy, with a southwest wind 21 to 24 mph.
Wednesday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 44. Southwest wind 11 to 16 mph.
Wednesday Night
A 40 percent chance of rain, mainly after 1am. Cloudy, with a low around 31. South wind 9 to 14 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 36 by 10am, then falling to around 29 during the remainder of the day. Wind chill values between 15 and 25. Breezy, with a west wind 18 to 22 mph.
Thursday Night
Partly cloudy, with a low around 21. Blustery, with a northwest wind 22 to 24 mph.
Friday
Mostly sunny, with a high near 37. Breezy.
Friday Night
Mostly cloudy, with a low around 32. Breezy.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 25. Breezy.
M.L.King Day
Mostly sunny, with a high near 33. Breezy.
Monday Night
Mostly cloudy, with a low around 22. Breezy.
Tuesday
Mostly sunny, with a high near 28. Breezy.
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)
12:35 pm EST Jan 13, 2026
10pm EST Jan 13, 2026-6pm EST Jan 20, 2026


