Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

30°F

-1°C

Humidity 49%
Wind Speed SW 5 mph
Barometer 30.06 in (1018.1 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 16 Jan 8:56 pm EST
Extended Forecast for

5 Miles SSE Blue Point NY

  • Tonight

    Tonight: A 20 percent chance of snow after 1am.  Increasing clouds, with a temperature rising to around 39 by 4am. Wind chill values between 25 and 30. Southwest wind 15 to 17 mph.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A chance of rain and snow before 10am, then a chance of rain.  Cloudy, with a high near 43. Southwest wind 15 to 17 mph.  Chance of precipitation is 50%.

    High: 43 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A slight chance of rain before 7pm, then a chance of rain and snow after 1am.  Mostly cloudy, with a low around 34. West wind 7 to 14 mph.  Chance of precipitation is 30%.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Rain and snow likely, becoming all snow after 10am.  Cloudy, with a steady temperature around 35. West wind 8 to 13 mph becoming northwest in the afternoon.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before 1am.  Cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 14 to 16 mph.

    Low: 26 °F

    Chance Snow

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 34. Breezy.

    High: 34 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. Windy.

    Low: 17 °F

    Partly Cloudy
    and Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. Breezy.

    High: 22 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 18. Breezy.

    Low: 18 °F

    Mostly Clear
    and Breezy

Detailed Forecast

Tonight
A 20 percent chance of snow after 1am. Increasing clouds, with a temperature rising to around 39 by 4am. Wind chill values between 25 and 30. Southwest wind 15 to 17 mph.
Saturday
A chance of rain and snow before 10am, then a chance of rain. Cloudy, with a high near 43. Southwest wind 15 to 17 mph. Chance of precipitation is 50%.
Saturday Night
A slight chance of rain before 7pm, then a chance of rain and snow after 1am. Mostly cloudy, with a low around 34. West wind 7 to 14 mph. Chance of precipitation is 30%.
Sunday
Rain and snow likely, becoming all snow after 10am. Cloudy, with a steady temperature around 35. West wind 8 to 13 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
A 30 percent chance of snow before 1am. Cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 14 to 16 mph.
M.L.King Day
Sunny, with a high near 34. Breezy.
Monday Night
Partly cloudy, with a low around 17. Windy.
Tuesday
Mostly sunny, with a high near 22. Breezy.
Tuesday Night
Mostly clear, with a low around 18. Breezy.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly cloudy, with a high near 38.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 26.
Friday
A chance of rain and snow. Partly sunny, with a high near 33. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Blue Point NY
 40.68°N 72.99°W (Elev. 0 ft)
3:33 pm EST Jan 16, 2026
9pm EST Jan 16, 2026-6pm EST Jan 23, 2026
 
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Additional Resources

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