Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Overcast
68°F
20°C
| Humidity | 81% |
| Wind Speed | S 16 G 24 mph |
| Barometer | 29.92 in (1013.1 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 5 Nov 12:56 pm EST |
Extended Forecast for
Islip NYSimilar City Names
This Afternoon
High: 69 °F
Slight Chance
RainTonight
Low: 60 °F
Chance Rain
then ShowersFriday
High: 67 °F
Showers
Friday Night
Low: 53 °F
Rain Likely
Saturday
High: 64 °F
Mostly Sunny
Saturday Night
Low: 43 °F
Partly Cloudy
Sunday
High: 60 °F
Mostly Sunny
Sunday Night
Low: 40 °F
Mostly Clear
Monday
High: 59 °F
Sunny
Detailed Forecast
This Afternoon
A 20 percent chance of rain after 4pm. Mostly cloudy, with a high near 69. South wind around 14 mph, with gusts as high as 24 mph.
Tonight
Rain, mainly between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Low around 60. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm, then rain and possibly a thunderstorm after 7am. High near 67. Southwest wind around 7 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday Night
Rain likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 53. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 64. West wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 41.
Veterans Day
Sunny, with a high near 59.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Islip NYSimilar City Names
40.73°N 73.22°W (Elev. 7 ft)
40.73°N 73.22°W (Elev. 7 ft)
7:33 am EST Nov 5, 2026
1pm EST Nov 5, 2026-6pm EST Nov 11, 2026
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