Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Light Rain Fog/Mist
36°F
2°C
| Humidity | 93% |
| Wind Speed | NE 8 mph |
| Barometer | 29.77 in (1008.1 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 2.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 18 Feb 6:56 pm EST |
Extended Forecast for
Islip Terrace NY
Tonight
Low: 31 °F
Rain Likely
and Areas Fog
then Chance
Rain and
Areas FogThursday
High: 40 °F
Mostly Cloudy
Thursday Night
Low: 32 °F
Chance
Rain/Snow
then Rain
LikelyFriday
High: 41 °F
Rain
Friday Night
Low: 32 °F
Rain Likely
Saturday
High: 43 °F
Partly Sunny
then Chance
RainSaturday Night
Low: 29 °F
Chance Rain
then Chance
Rain/SnowSunday
High: 37 °F
Chance Snow
Sunday Night
Low: 27 °F
Chance Snow
Detailed Forecast
Tonight
Rain likely, mainly before 10pm. Areas of fog. Otherwise, cloudy, with a low around 31. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 70%.
Thursday
Mostly cloudy, with a high near 40. East wind 5 to 7 mph.
Thursday Night
A chance of rain and snow before 10pm, then rain likely. Cloudy, with a low around 32. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
Rain. High near 41. East wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain likely, mainly before 7pm. Mostly 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.
Saturday
A 30 percent chance of rain after 1pm. Partly sunny, with a high near 43.
Saturday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 37.
Sunday Night
A 50 percent chance of snow. Cloudy, with a low around 27.
Monday
A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 36.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Sunny, with a high near 37.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 41.
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)
12:48 pm EST Feb 18, 2026
7pm EST Feb 18, 2026-6pm EST Feb 25, 2026
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