Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
67°F
19°C
| Humidity | 71% |
| Wind Speed | E 8 mph |
| Barometer | 30.09 in (1019.0 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 20 Aug 6:56 am EDT |
Extended Forecast for
Islip Terrace NY
Coastal Flood Watch August 21, 06:00pm until August 22, 12:00am
High Surf Advisory until August 22, 08:00pm
NOW until 8:00pm Fri
High Surf Advisory
Today
High: 74 °F
Showers
LikelyTonight
Low: 63 °F
Showers
Thursday
High: 73 °F
Chance
Showers and
BreezyThursday Night
Low: 60 °F
Mostly Cloudy
and Breezy
then Partly
CloudyFriday
High: 81 °F
Sunny
Friday Night
Low: 64 °F
Mostly Clear
Saturday
High: 80 °F
Sunny
Saturday Night
Low: 66 °F
Mostly Clear
Detailed Forecast
Today
Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 74. East wind 9 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 63. East wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 73. Breezy, with a northeast wind 18 to 22 mph, with gusts as high as 33 mph.
Thursday Night
Mostly cloudy, with a low around 60. Breezy, with a northeast wind 17 to 20 mph, with gusts as high as 34 mph.
Friday
Sunny, with a high near 81. North wind 13 to 18 mph, with gusts as high as 29 mph.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 66.
Sunday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 79.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday
Showers likely. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Islip Terrace NY
40.75°N 73.18°W (Elev. 30 ft)
40.75°N 73.18°W (Elev. 30 ft)
2:48 am EDT Aug 20, 2025
7am EDT Aug 20, 2025-6pm EDT Aug 26, 2025
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