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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
5 Miles SSE Blue Point NY
This Afternoon
High: 40 °F
Rain and
BreezyTonight
Low: 34 °F
Rain Likely
then Mostly
CloudySaturday
High: 41 °F
Partly Sunny
Saturday Night
Low: 33 °F
Slight Chance
Rain/Snow
then Slight
Chance SnowSunday
High: 36 °F
Chance Snow
and Breezy
then Snow
Likely and
WindySunday Night
Low: 31 °F
Snow Likely
and WindyMonday
High: 34 °F
Chance Snow
and WindyMonday Night
Low: 27 °F
Mostly Cloudy
and Blustery
then Partly
CloudyTuesday
High: 34 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Rain. High near 40. Breezy, with an east wind around 21 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 34. East wind 10 to 13 mph becoming west after midnight. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 41. West wind around 10 mph.
Saturday Night
A slight chance of rain and snow before 10pm, then a slight chance of snow. Mostly cloudy, with a low around 33. Wind chill values between 20 and 25. East wind 8 to 14 mph. Chance of precipitation is 20%.
Sunday
Snow likely, mainly after 1pm. Cloudy, with a high near 36. Windy, with an east wind 20 to 26 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
Snow likely. Cloudy, with a low around 31. Windy. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.
Monday
A 40 percent chance of snow before 1pm. Cloudy, with a high near 34. Windy.
Monday Night
Mostly cloudy, with a low around 27. Blustery.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Mostly cloudy, with a high near 40. Breezy.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 36. Breezy. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 42.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles SSE Blue Point NY
40.68°N 72.99°W (Elev. 0 ft)
40.68°N 72.99°W (Elev. 0 ft)
1:01 am EST Feb 20, 2026
12pm EST Feb 20, 2026-6pm EST Feb 26, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
