Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
41°F
5°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.06 in (1018.1 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 7 Oct 3:56 am EDT |
Extended Forecast for
Central Islip NY
Today
High: 66 °F
Sunny
Tonight
Low: 56 °F
Mostly Clear
Thursday
High: 74 °F
Mostly Sunny
Thursday Night
Low: 54 °F
Mostly Clear
Friday
High: 69 °F
Sunny
Friday Night
Low: 53 °F
Mostly Clear
Saturday
High: 69 °F
Sunny
Saturday Night
Low: 57 °F
Partly Cloudy
Sunday
High: 70 °F
Partly Sunny
then Chance
Showers
Detailed Forecast
Today
Sunny, with a high near 66. Light and variable wind becoming southwest 8 to 13 mph in the morning.
Tonight
Mostly clear, with a low around 56. Southwest wind 8 to 10 mph.
Thursday
Mostly sunny, with a high near 74. Southwest wind 8 to 14 mph.
Thursday Night
Mostly clear, with a low around 54. Northwest wind 3 to 7 mph.
Friday
Sunny, with a high near 69. West wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 70.
Sunday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Columbus Day
Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Tuesday
Partly sunny, with a high near 67.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Central Islip NY
40.79°N 73.2°W (Elev. 98 ft)
40.79°N 73.2°W (Elev. 98 ft)
3:09 am EDT Oct 7, 2026
4am EDT Oct 7, 2026-6pm EDT Oct 13, 2026
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