Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

36°F

2°C

Humidity 64%
Wind Speed NE 15 G 20 mph
Barometer 30.10 in (1019.4 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 16 Feb 12:56 pm EST
Extended Forecast for

Selden NY

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 38. Northeast wind 7 to 11 mph.

    High: 38 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow after 4am.  Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 41. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 41 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 30. Calm wind.

    Low: 30 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm.  Cloudy, with a high near 40. Calm wind becoming southeast 5 to 7 mph in the afternoon.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely before 1am.  Mostly cloudy, with a low around 32. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain Likely

  • Thursday

    Thursday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 1am.  Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: A chance of rain and snow before 1pm, then rain likely.  Mostly cloudy, with a high near 40. Chance of precipitation is 70%.

    High: 40 °F

    Rain/Snow
    Likely

Detailed Forecast

Washington's Birthday
Mostly sunny, with a high near 38. Northeast wind 7 to 11 mph.
Tonight
A 20 percent chance of snow after 4am. Mostly cloudy, with a low around 27. Calm wind.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 41. Calm wind becoming southwest 5 to 7 mph in the morning.
Tuesday Night
Increasing clouds, with a low around 30. Calm wind.
Wednesday
Rain likely, mainly after 1pm. Cloudy, with a high near 40. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly cloudy, with a high near 39.
Thursday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 29.
Friday
A chance of rain and snow before 1pm, then rain likely. Mostly cloudy, with a high near 40. Chance of precipitation is 70%.
Friday Night
A chance of rain and snow. Cloudy, with a low around 31. Chance of precipitation is 50%.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Selden NY
 40.86°N 73.04°W (Elev. 115 ft)
10:04 am EST Feb 16, 2026
1pm EST Feb 16, 2026-6pm EST Feb 22, 2026
 
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Additional Resources

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