Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Light Snow Fog/Mist

26°F

-3°C

Humidity 88%
Wind Speed W 6 mph
Barometer 29.51 in (999.5 mb)
Dewpoint 23°F (-5°C)
Visibility 1.75 mi
Wind Chill19°F (-7°C)
Last update 7 Feb 2:56 am EST
Extended Forecast for

Islip Terrace NY

Wind Advisory February 7, 09:00am until February 8, 12:00am
Extreme Cold Warning February 7, 01:00pm until February 8, 01:00pm
Click here for hazard details and duration
Wind Advisory
Extreme Cold Warning
  • Overnight

    Overnight: Snow.  Steady temperature around 25. Wind chill values between 15 and 20. West wind 6 to 8 mph.  Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 25 °F

    Snow

  • Saturday

    Saturday: Snow, mainly before 7am.  Temperature falling to around 14 by 3pm. Wind chill values between -5 and 5. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 44 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 23 °F

    Blustery.
    Snow then
    Chance Snow

  • Saturday Night

    Saturday Night: Cloudy during the early evening, then gradual clearing, with a low around 5. Wind chill values between -10 and -15. Windy, with a northwest wind 26 to 31 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 47 mph.

    Low: 5 °F

    Gradual
    Clearing and
    Windy

  • Sunday

    Sunday: Sunny and cold, with a high near 20. Wind chill values between -5 and -15. Blustery, with a northwest wind 16 to 20 mph, with gusts as high as 30 mph.

    High: 20 °F

    Cold and
    Blustery

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 9. Northwest wind 8 to 15 mph, with gusts as high as 25 mph.

    Low: 9 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow. Steady temperature around 25. Wind chill values between 15 and 20. West wind 6 to 8 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Snow, mainly before 7am. Temperature falling to around 14 by 3pm. Wind chill values between -5 and 5. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday Night
Cloudy during the early evening, then gradual clearing, with a low around 5. Wind chill values between -10 and -15. Windy, with a northwest wind 26 to 31 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 47 mph.
Sunday
Sunny and cold, with a high near 20. Wind chill values between -5 and -15. Blustery, with a northwest wind 16 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 9. Northwest wind 8 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 27.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
Islip Terrace NY
 40.75°N 73.18°W (Elev. 30 ft)
1:33 am EST Feb 7, 2026
3am EST Feb 7, 2026-6pm EST Feb 13, 2026
 
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