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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
47°F
8°C
| Humidity | 41% |
| Wind Speed | S 9 G 18 mph |
| Barometer | 30.35 in (1027.9 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 43°F (6°C) |
| Last update | 25 Mar 1:56 pm EDT |
Extended Forecast for
5 Miles SSE Blue Point NY
This Afternoon

High: 44 °F
Partly Sunny
Tonight

Low: 39 °F
Mostly Cloudy
Thursday
High: 49 °F
Breezy.
Slight Chance
Showers then
Partly SunnyThursday Night
Low: 46 °F
Breezy.
Slight Chance
Showers then
ShowersFriday

High: 48 °F
Showers
Friday Night
Low: 32 °F
Chance
Showers then
Mostly CloudySaturday

High: 40 °F
Mostly Sunny
Saturday Night

Low: 33 °F
Partly Cloudy
Sunday

High: 42 °F
Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 44. South wind around 10 mph.
Tonight
Mostly cloudy, with a low around 39. South wind 14 to 16 mph.
Thursday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 49. Breezy, with a southwest wind 20 to 22 mph.
Thursday Night
Showers, mainly after 2am. Low around 46. Breezy, with a southwest wind 20 to 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, mainly before 2pm. High near 48. North wind around 15 mph. Chance of precipitation is 80%.
Friday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 39. Breezy.
Monday
Mostly cloudy, with a high near 48. Breezy.
Monday Night
Mostly cloudy, with a low around 42. Breezy.
Tuesday
Mostly cloudy, with a high near 47.
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)
2:22 pm EDT Mar 25, 2026
2pm EDT Mar 25, 2026-6pm EDT Mar 31, 2026


