


Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Light Rain Fog/Mist and Windy
59°F
15°C
Humidity | 90% |
Wind Speed | NE 26 G 40 mph |
Barometer | 29.86 in (1010.9 mb) |
Dewpoint | 56°F (13°C) |
Visibility | 5.00 mi |
Last update | 13 Oct 3:56 am EDT |
Extended Forecast for
Islip NY
Wind Advisory October 13, 04:54am until October 13, 06:00pm
Coastal Flood Warning October 13, 04:54am until October 13, 07:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 55 °F
Rain and
BreezyColumbus Day
High: 63 °F
Rain and
BreezyMonday Night
Low: 54 °F
Rain and
BreezyTuesday
High: 63 °F
Chance Rain
Tuesday Night
Low: 53 °F
Mostly Cloudy
Wednesday
High: 67 °F
Mostly Sunny
Wednesday Night
Low: 44 °F
Mostly Clear
Thursday
High: 59 °F
Sunny
Detailed Forecast
Overnight
Rain. Low around 55. Breezy, with a northeast wind around 23 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Columbus Day
Rain, with thunderstorms also possible after 11am. High near 63. Breezy, with a northeast wind 22 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Rain and possibly a thunderstorm before 11pm, then rain likely. Low around 54. Breezy, with a northeast wind 18 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 30 percent chance of rain. Mostly cloudy, with a high near 63. North wind around 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 53. North wind 8 to 11 mph.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 46.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 70.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Islip NY
40.73°N 73.25°W (Elev. 13 ft)
40.73°N 73.25°W (Elev. 13 ft)
4:51 am EDT Oct 13, 2025
4am EDT Oct 13, 2025-6pm EDT Oct 19, 2025