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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
40°F
4°C
| Humidity | 25% |
| Wind Speed | N 9 mph |
| Barometer | 30.40 in (1029.4 mb) |
| Dewpoint | 7°F (-14°C) |
| Visibility | 10.00 mi |
| Wind Chill | 34°F (1°C) |
| Last update | 28 Mar 4:56 pm EDT |
Extended Forecast for
5 Miles SSE Blue Point NY
Tonight

Low: 34 °F
Decreasing
CloudsSunday

High: 44 °F
Sunny
Sunday Night

Low: 42 °F
Increasing
Clouds and
BreezyMonday

High: 50 °F
Mostly Cloudy
and BreezyMonday Night
Low: 46 °F
Mostly Cloudy
then Slight
Chance
ShowersTuesday
High: 54 °F
Mostly Cloudy
then Mostly
Sunny and
BreezyTuesday Night

Low: 48 °F
Partly Cloudy
and WindyWednesday
High: 54 °F
Partly Sunny
and Windy
then Chance
Rain and
BreezyWednesday Night

Low: 40 °F
Rain Likely
and Breezy
Detailed Forecast
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 34. North wind 6 to 14 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 44. Southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 42. Breezy, with a southwest wind 21 to 25 mph.
Monday
Mostly cloudy, with a high near 50. Breezy, with a southwest wind around 21 mph.
Monday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 46. Southwest wind 15 to 17 mph.
Tuesday
Partly sunny, with a high near 54. Breezy.
Tuesday Night
Partly cloudy, with a low around 48. Windy.
Wednesday
A 40 percent chance of rain after 2pm. Partly sunny, with a high near 54. Windy.
Wednesday Night
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 40. Breezy. Chance of precipitation is 70%.
Thursday
A 50 percent chance of rain. Cloudy, with a high near 44. Breezy.
Thursday Night
Rain and snow likely. Cloudy, with a low around 38. Windy. Chance of precipitation is 60%.
Friday
Rain and snow likely. Cloudy, with a high near 43. Windy. Chance of precipitation is 60%.
Friday Night
Rain likely. Cloudy, with a low around 39. Windy. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain. Cloudy, with a high near 45. 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)
2:35 pm EDT Mar 28, 2026
5pm EDT Mar 28, 2026-6pm EDT Apr 4, 2026


