Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

67°F

19°C

Humidity 93%
Wind Speed SW 7 mph
Barometer 29.99 in (1015.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 2 Oct 12:56 am EDT
Extended Forecast for

Blue Point NY

  • Overnight

    Overnight: Partly cloudy, with a low around 65. Southwest wind around 7 mph.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 78. Southwest wind 8 to 15 mph.

    High: 78 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 59. West wind around 9 mph becoming north after midnight.  Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 67. North wind 8 to 11 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. East wind 6 to 8 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers after 2pm.  Increasing clouds, with a high near 63.

    High: 63 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers before 2am.  Cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 65. Southwest wind around 7 mph.
Friday
Partly sunny, with a high near 78. Southwest wind 8 to 15 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. West wind around 9 mph becoming north after midnight. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 67. North wind 8 to 11 mph.
Saturday Night
Mostly clear, with a low around 56. East wind 6 to 8 mph.
Sunday
A 40 percent chance of showers after 2pm. Increasing clouds, with a high near 63.
Sunday Night
A 40 percent chance of showers before 2am. Cloudy, with a low around 57.
Monday
Partly sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Clear, with a low around 48.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Blue Point NY
 40.75°N 73.04°W (Elev. 30 ft)
2:44 pm EDT Oct 1, 2026
1am EDT Oct 2, 2026-6pm EDT Oct 8, 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