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Fall 2026 Frost/Freeze Program

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

57°F

14°C

Humidity	74%
Wind Speed	SE 3 mph
Barometer	30.14 in (1020.6 mb)
Dewpoint	49°F (9°C)
Visibility	10.00 mi
Last update	15 Oct 11:56 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Selden NY

Overnight
Low: 50 °F⇑
Chance
Showers
Friday
High: 71 °F
Showers then
Chance
Showers
Friday Night
Low: 44 °F
Showers then
Showers
Likely
Saturday
High: 53 °F
Decreasing
Clouds
Saturday Night
Low: 39 °F
Mostly Clear
Sunday
High: 56 °F
Sunny
Sunday Night
Low: 43 °F
Mostly Clear
Monday
High: 60 °F
Sunny
Monday Night
Low: 45 °F
Partly Cloudy

Detailed Forecast

Overnight

A 30 percent chance of showers after 5am. Mostly cloudy, with a temperature rising to around 55 by 4am. Southeast wind 3 to 6 mph.

Friday

Showers, with thunderstorms also possible after 2pm. High near 71. Southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms, then showers after 8pm. Low around 44. Southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Cloudy, then gradually becoming mostly sunny, with a high near 53. North wind around 17 mph, with gusts as high as 28 mph.

Saturday Night

Mostly clear, with a low around 39. North wind 9 to 13 mph.

Sunday

Sunny, with a high near 56.

Sunday Night

Mostly clear, with a low around 43.

Monday

Sunny, with a high near 60.

Monday Night

Partly cloudy, with a low around 45.