National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

25°F

-4°C

Humidity 46%
Wind Speed W 18 G 29 mph
Barometer 29.84 in (1010.7 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 16 Jan 9:56 am EST
Extended Forecast for

Blue Point NY

  • Today

    Today: Sunny, with a high near 37. Wind chill values between 15 and 25. West wind 11 to 17 mph, with gusts as high as 31 mph.

    High: 37 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 4am. Mostly cloudy, with a temperature rising to around 36 by 3am. Wind chill values between 25 and 30. Southwest wind around 8 mph.

    Low: 33 °F⇑

    Partly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then rain likely between 1pm and 4pm, then rain likely, possibly mixed with snow after 4pm. Mostly cloudy, with a high near 42. Southwest wind 7 to 11 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A slight chance of snow before 7pm, then a slight chance of snow after 1am. Mostly cloudy, with a low around 31. West wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A chance of rain and snow before 1pm, then a chance of snow. Cloudy, with a high near 37. West wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 37 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 37. Wind chill values between 15 and 25. West wind 11 to 17 mph, with gusts as high as 31 mph.
Tonight
A 30 percent chance of snow, mainly after 4am. Mostly cloudy, with a temperature rising to around 36 by 3am. Wind chill values between 25 and 30. Southwest wind around 8 mph.
Saturday
A chance of rain and snow before 1pm, then rain likely between 1pm and 4pm, then rain likely, possibly mixed with snow after 4pm. Mostly cloudy, with a high near 42. Southwest wind 7 to 11 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A slight chance of snow before 7pm, then a slight chance of snow after 1am. Mostly cloudy, with a low around 31. West wind 5 to 7 mph. Chance of precipitation is 20%.
Sunday
A chance of rain and snow before 1pm, then a chance of snow. Cloudy, with a high near 37. West wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 22.
M.L.King Day
Sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Sunny, with a high near 23.
Tuesday Night
Mostly clear, with a low around 14.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Partly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Blue Point NY
 40.75°N 73.04°W (Elev. 30 ft)
Last Update:
1:17 am EST Jan 16, 2026
Forecast Valid:
10am EST Jan 16, 2026-6pm EST Jan 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation