Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

48°F

9°C

Humidity 61%
Wind Speed SW 9 mph
Barometer 30.15 in (1020.9 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 10 Apr 11:56 pm EDT
Extended Forecast for

5 Miles SSE Blue Point NY

  • Overnight

    Overnight: A 20 percent chance of showers.  Mostly cloudy, with a low around 43. Southwest wind 14 to 16 mph.

    Low: 43 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 54. Breezy, with a northwest wind 15 to 20 mph.

    High: 54 °F

    Sunny and
    Breezy then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42. North wind around 10 mph.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Northeast wind 5 to 9 mph becoming south in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. South wind 11 to 17 mph.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 56. Breezy.

    High: 56 °F

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51. Breezy.

    Low: 51 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 43. Southwest wind 14 to 16 mph.
Saturday
Sunny, with a high near 54. Breezy, with a northwest wind 15 to 20 mph.
Saturday Night
Mostly clear, with a low around 42. North wind around 10 mph.
Sunday
Mostly sunny, with a high near 48. Northeast wind 5 to 9 mph becoming south in the afternoon.
Sunday Night
Mostly cloudy, with a low around 44. South wind 11 to 17 mph.
Monday
Mostly cloudy, with a high near 56. Breezy.
Monday Night
Mostly cloudy, with a low around 51. Breezy.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 61.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Blue Point NY
 40.68°N 72.99°W (Elev. 0 ft)
7:41 pm EDT Apr 10, 2026
12am 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