Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

45°F

7°C

Humidity 74%
Wind Speed SW 10 mph
Barometer 29.69 in (1005.5 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 14 Jan 8:56 am EST
Extended Forecast for

5 Miles SSE Blue Point NY

  • Today

    Today: Mostly cloudy, with a high near 46. Southwest wind 11 to 15 mph.

    High: 46 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after 10pm.  Cloudy, with a steady temperature around 42. South wind 10 to 14 mph becoming west after midnight.

    Low: 42 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of rain and snow showers before 1pm.  Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 31 by 5pm. Wind chill values between 15 and 25. Breezy, with a west wind 16 to 25 mph.  Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. Wind chill values between 5 and 15. Windy, with a west wind 26 to 29 mph.

    Low: 23 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Sunny, with a high near 37. Windy, with a west wind 22 to 29 mph.

    High: 37 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a steady temperature around 36. Breezy.

    Low: 36 °F

    Mostly Cloudy
    and Breezy

  • Saturday

    Saturday: A 30 percent chance of rain after 1pm.  Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 46. Southwest wind 11 to 15 mph.
Tonight
A 40 percent chance of showers, mainly after 10pm. Cloudy, with a steady temperature around 42. South wind 10 to 14 mph becoming west after midnight.
Thursday
A slight chance of rain and snow showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 31 by 5pm. Wind chill values between 15 and 25. Breezy, with a west wind 16 to 25 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 23. Wind chill values between 5 and 15. Windy, with a west wind 26 to 29 mph.
Friday
Sunny, with a high near 37. Windy, with a west wind 22 to 29 mph.
Friday Night
Mostly cloudy, with a steady temperature around 36. Breezy.
Saturday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 25.
M.L.King Day
Mostly sunny, with a high near 34. Breezy.
Monday Night
Mostly cloudy, with a low around 24. Breezy.
Tuesday
Mostly sunny, with a high near 30. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Blue Point NY
 40.68°N 72.99°W (Elev. 0 ft)
6:04 am EST Jan 14, 2026
9am EST Jan 14, 2026-6pm EST Jan 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

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