Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

49°F

9°C

Humidity 66%
Wind Speed Calm
Barometer 30.09 in (1018.7 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 6 Oct 11:56 pm EDT
Extended Forecast for

Blue Point NY

  • Overnight

    Overnight: Clear, with a low around 42. Light northwest wind.

    Low: 42 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. Light southwest wind increasing to 8 to 13 mph in the morning.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Southwest wind 11 to 14 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71. Southwest wind around 11 mph.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Northwest wind 5 to 7 mph.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 42. Light northwest wind.
Wednesday
Sunny, with a high near 64. Light southwest wind increasing to 8 to 13 mph in the morning.
Wednesday Night
Mostly clear, with a low around 59. Southwest wind 11 to 14 mph.
Thursday
Sunny, with a high near 71. Southwest wind around 11 mph.
Thursday Night
Mostly clear, with a low around 56. Northwest wind 5 to 7 mph.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 60.
Columbus Day
A 40 percent chance of showers. Mostly cloudy, with a high near 68.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Blue Point NY
 40.75°N 73.04°W (Elev. 30 ft)
5:36 pm EDT Oct 6, 2026
12am EDT Oct 7, 2026-6pm EDT Oct 13, 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