Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fog/Mist
34°F
1°C
| Humidity | 97% |
| Wind Speed | SW 7 mph |
| Barometer | 29.94 in (1013.8 mb) |
| Dewpoint | 33°F (1°C) |
| Visibility | 0.25 mi |
| Wind Chill | 28°F (-2°C) |
| Last update | 18 Feb 8:56 am EST |
Extended Forecast for
East Islip NY
Dense Fog Advisory February 18, 09:40am until February 18, 10:00am
NOW until 10:00am Wed
Dense Fog Advisory
Today
High: 42 °F
Rain and
Dense FogTonight
Low: 32 °F
Rain Likely
and Areas FogThursday
High: 42 °F
Mostly Cloudy
Thursday Night
Low: 32 °F
Chance Rain
then Rain
LikelyFriday
High: 42 °F
Rain
Friday Night
Low: 32 °F
Chance Rain
Saturday
High: 44 °F
Partly Sunny
Saturday Night
Low: 29 °F
Mostly Cloudy
then Chance
Rain/Snow
Detailed Forecast
Today
Rain, mainly before 1pm. Widespread dense fog, mainly before 10am. High near 42. Calm wind becoming southeast around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, mainly before 10pm. Areas of fog before 4am. Otherwise, cloudy, with a low around 32. Northeast wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly cloudy, with a high near 42. East wind 6 to 8 mph.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 32. East wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. High near 42. East wind 8 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 44.
Saturday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Sunday
A 50 percent chance of snow. Cloudy, with a high near 37.
Sunday Night
Snow likely, mainly before 1am. Cloudy, with a low around 27. Chance of precipitation is 60%.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 36.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 31.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
East Islip NY
40.73°N 73.19°W (Elev. 16 ft)
40.73°N 73.19°W (Elev. 16 ft)
8:57 am EST Feb 18, 2026
9am EST Feb 18, 2026-6pm EST Feb 24, 2026
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