Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

48°F

9°C

Humidity 77%
Wind Speed SW 7 mph
Barometer 30.07 in (1018.2 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 11 Apr 2:56 am EDT
Extended Forecast for

5 Miles SSE Blue Point NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. Southwest wind around 13 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 58. Breezy, with a northwest wind 15 to 21 mph.

    High: 58 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 37. North wind around 9 mph.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 52. Northeast wind 6 to 10 mph becoming southeast in the afternoon.

    High: 52 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. South wind 10 to 17 mph.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 59. Breezy.

    High: 59 °F

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 52. Breezy.

    Low: 52 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. Southwest wind around 13 mph.
Saturday
Sunny, with a high near 58. Breezy, with a northwest wind 15 to 21 mph.
Saturday Night
Clear, with a low around 37. North wind around 9 mph.
Sunday
Increasing clouds, with a high near 52. Northeast wind 6 to 10 mph becoming southeast in the afternoon.
Sunday Night
Mostly cloudy, with a low around 44. South wind 10 to 17 mph.
Monday
Mostly cloudy, with a high near 59. Breezy.
Monday Night
Mostly cloudy, with a low around 52. Breezy.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Mostly cloudy, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Blue Point NY
 40.68°N 72.99°W (Elev. 0 ft)
3:06 am EDT Apr 11, 2026
3am EDT Apr 11, 2026-6pm EDT Apr 17, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database