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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
26°F
-3°C
| Humidity | 69% |
| Wind Speed | Calm |
| Barometer | 30.36 in (1028.2 mb) |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Last update | 19 Mar 12:56 am EDT |
Extended Forecast for
5 Miles SSE Blue Point NY
Overnight

Low: 27 °F
Partly Cloudy
Thursday

High: 40 °F
Mostly Sunny
Thursday Night

Low: 37 °F
Mostly Cloudy
Friday

High: 47 °F
Mostly Sunny
Friday Night
Low: 39 °F
Chance Rain
then Rain
LikelySaturday
High: 50 °F
Chance Rain
then Partly
SunnySaturday Night

Low: 39 °F
Mostly Cloudy
Sunday

High: 51 °F
Mostly Cloudy
Sunday Night

Low: 36 °F
Chance Rain
and Breezy
Detailed Forecast
Overnight
Partly cloudy, with a low around 27. Light southeast wind.
Thursday
Mostly sunny, with a high near 40. South wind 5 to 8 mph.
Thursday Night
Mostly cloudy, with a steady temperature around 37. South wind around 7 mph.
Friday
Mostly sunny, with a high near 47. South wind 6 to 10 mph.
Friday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 39. South wind 14 to 17 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 30 percent chance of rain before 8am. Partly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Mostly cloudy, with a high near 51.
Sunday Night
A 40 percent chance of rain after 8pm. Mostly cloudy, with a low around 36. Breezy.
Monday
Mostly sunny, with a high near 46. Breezy.
Monday Night
Partly cloudy, with a low around 29. Blustery.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 46.
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)
5:35 pm EDT Mar 18, 2026
1am EDT Mar 19, 2026-6pm EDT Mar 25, 2026


