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Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Overcast
38°F
3°C
| Humidity | 93% |
| Wind Speed | E 14 G 25 mph |
| Barometer | 29.72 in (1006.3 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 20 Feb 11:56 am EST |
Extended Forecast for
Islip Terrace NY
This Afternoon
High: 41 °F
Rain
Tonight
Low: 31 °F
Rain Likely
then Mostly
CloudySaturday
High: 44 °F
Partly Sunny
Saturday Night
Low: 30 °F
Slight Chance
Rain/SnowSunday
High: 37 °F
Snow Likely
Sunday Night
Low: 28 °F
Snow Likely
Monday
High: 35 °F
Chance Snow
Monday Night
Low: 23 °F
Mostly Cloudy
Tuesday
High: 36 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Rain. High near 41. East wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 31. Light and variable wind. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 44. West wind 3 to 6 mph.
Saturday Night
A slight chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a low around 30. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 20%.
Sunday
Snow likely, mainly after 1pm. Cloudy, with a high near 37. East wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
Snow likely. Cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Monday
A 40 percent chance of snow before 1pm. Cloudy, with a high near 35.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Mostly cloudy, with a high near 41.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 44.
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)
1:01 am EST Feb 20, 2026
12pm EST Feb 20, 2026-6pm EST Feb 26, 2026
Additional Resources
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Hourly Weather Forecast
