Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
61°F
16°C
| Humidity | 81% |
| Wind Speed | SW 13 mph |
| Barometer | 29.81 in (1009.5 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 8 Oct 5:56 am EDT |
Extended Forecast for
Islip NY
Today

High: 73 °F
Sunny
Tonight

Low: 53 °F
Mostly Clear
Friday

High: 69 °F
Sunny
Friday Night

Low: 52 °F
Mostly Clear
Saturday

High: 66 °F
Mostly Sunny
Saturday Night

Low: 57 °F
Mostly Cloudy
Sunday
High: 68 °F
Mostly Cloudy
then Chance
ShowersSunday Night

Low: 61 °F
Showers
Columbus Day

High: 69 °F
Showers
Likely
Detailed Forecast
Today
Sunny, with a high near 73. West wind around 11 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 53. Northwest wind 3 to 6 mph.
Friday
Sunny, with a high near 69. West wind 6 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 52. Northwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 66. Light and variable wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 68.
Sunday Night
Showers, mainly after 8pm. Low around 61. Chance of precipitation is 80%.
Columbus Day
Showers likely, mainly before 8am. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 60.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Islip NY
40.71°N 73.22°W (Elev. 0 ft)
40.71°N 73.22°W (Elev. 0 ft)
2:26 am EDT Oct 8, 2026
6am EDT Oct 8, 2026-6pm EDT Oct 14, 2026


