Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Overcast
39°F
4°C
| Humidity | 55% |
| Wind Speed | E 9 mph |
| Barometer | 30.07 in (1018.1 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 19 Feb 1:56 pm EST |
Extended Forecast for
Islip, Long Island Mac Arthur Airport NY
This Afternoon
High: 41 °F
Cloudy
Tonight
Low: 32 °F
Mostly Cloudy
then Chance
RainFriday
High: 40 °F
Rain
Friday Night
Low: 31 °F
Chance Rain
then Slight
Chance
Rain/SnowSaturday
High: 44 °F
Partly Sunny
then Slight
Chance RainSaturday Night
Low: 30 °F
Chance
Rain/Snow
then Chance
SnowSunday
High: 35 °F
Chance Snow
then Snow
LikelySunday Night
Low: 27 °F
Snow Likely
and BlusteryMonday
High: 35 °F
Chance Snow
and Breezy
Detailed Forecast
This Afternoon
Cloudy, with a high near 41. East wind around 10 mph.
Tonight
A 30 percent chance of rain, mainly after 5am. Partly cloudy during the early evening, then becoming cloudy, with a low around 32. East wind 5 to 8 mph.
Friday
Rain. High near 40. East wind 9 to 16 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A chance of rain before 4am, then a slight chance of snow. Mostly cloudy, with a low around 31. Northeast wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 40%.
Saturday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 44. West wind 5 to 9 mph.
Saturday Night
A chance of rain before 10pm, then a chance of rain and snow between 10pm and midnight, then a chance of snow after midnight. Cloudy, with a low around 30. Chance of precipitation is 40%.
Sunday
Snow likely, mainly after 1pm. Cloudy, with a high near 35. Chance of precipitation is 60%.
Sunday Night
Snow likely. Cloudy, with a low around 27. Blustery. Chance of precipitation is 70%.
Monday
A 50 percent chance of snow. Cloudy, with a high near 35. Breezy.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 41.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Islip, Long Island Mac Arthur Airport NY
40.81°N 73.11°W (Elev. 98 ft)
40.81°N 73.11°W (Elev. 98 ft)
1:30 pm EST Feb 19, 2026
2pm EST Feb 19, 2026-6pm EST Feb 25, 2026
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