Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

43°F

6°C

Humidity 97%
Wind Speed W 5 mph
Barometer 29.77 in (1008.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 11 Jan 5:56 am EST
Extended Forecast for

5 Miles SSE Bayport NY

  • Today

    Today: A chance of rain before 10am, then a chance of rain and snow showers after 4pm.  Patchy fog before 7am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 44. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon.  Chance of precipitation is 50%.

    High: 44 °F

    Chance Rain
    and Patchy
    Fog then
    Chance
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: A chance of rain and snow showers before 7pm, then a slight chance of snow showers between 7pm and 10pm.  Partly cloudy, with a low around 31. Wind chill values between 15 and 25. Windy, with a west wind 23 to 31 mph, with gusts as high as 45 mph.  Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Rain/Snow and
    Windy then
    Partly Cloudy
    and Breezy

  • Monday

    Monday: Sunny, with a high near 40. Wind chill values between 20 and 30. Breezy, with a west wind 18 to 23 mph.

    High: 40 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Breezy, with a west wind 14 to 20 mph.

    Low: 35 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44. West wind 13 to 15 mph.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. Breezy.

    Low: 41 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Cloudy, with a high near 45.

    High: 45 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 1am.  Cloudy, with a low around 35.

    Low: 35 °F

    Cloudy then
    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain.  Partly sunny, with a high near 39.

    High: 39 °F

    Chance Rain

Detailed Forecast

Today
A chance of rain before 10am, then a chance of rain and snow showers after 4pm. Patchy fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 44. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Chance of precipitation is 50%.
Tonight
A chance of rain and snow showers before 7pm, then a slight chance of snow showers between 7pm and 10pm. Partly cloudy, with a low around 31. Wind chill values between 15 and 25. Windy, with a west wind 23 to 31 mph, with gusts as high as 45 mph. Chance of precipitation is 30%.
Monday
Sunny, with a high near 40. Wind chill values between 20 and 30. Breezy, with a west wind 18 to 23 mph.
Monday Night
Partly cloudy, with a low around 35. Breezy, with a west wind 14 to 20 mph.
Tuesday
Sunny, with a high near 44. West wind 13 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 41. Breezy.
Wednesday
Cloudy, with a high near 45.
Wednesday Night
A 30 percent chance of rain after 1am. Cloudy, with a low around 35.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 39.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25. Blustery.
Friday
Partly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Bayport NY
 40.68°N 73.02°W (Elev. 0 ft)
1:40 am EST Jan 11, 2026
6am EST Jan 11, 2026-6pm EST Jan 17, 2026
 
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Additional Resources

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