Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

39°F

4°C

Humidity 73%
Wind Speed N 10 mph
Barometer 29.70 in (1005.6 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 14 Nov 1:56 am EST
Extended Forecast for

2 Miles E West Sayville NY

  • Overnight

    Overnight: Cloudy early, then becoming partly cloudy, with a low around 36. Northwest wind around 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 48. Northwest wind 11 to 16 mph.

    High: 48 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 36. West wind around 14 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 49. Northwest wind 14 to 16 mph.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Northwest wind 8 to 10 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

Detailed Forecast

Overnight
Cloudy early, then becoming partly cloudy, with a low around 36. Northwest wind around 10 mph.
Saturday
Increasing clouds, with a high near 48. Northwest wind 11 to 16 mph.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 36. West wind around 14 mph.
Sunday
Sunny, with a high near 49. Northwest wind 14 to 16 mph.
Sunday Night
Mostly clear, with a low around 36. Northwest wind 8 to 10 mph.
Monday
Sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Clear, with a low around 39.
Wednesday
Sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E West Sayville NY
 40.73°N 73.07°W (Elev. 16 ft)
2:03 am EST Nov 14, 2026
2am EST Nov 14, 2026-6pm EST Nov 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database