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

White Plains - Westchester County Airport (KHPN)

Lat: 41.06°NLon: 73.7°WElev: 367ft.

Fair

14°F

-10°C

Humidity 53%
Wind Speed NW 7 mph
Barometer 30.21 in (1024.5 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 9 Dec 4:56 am EST
Extended Forecast for

Cos Cob CT

  • Today

    Today: Increasing clouds, with a high near 32. Wind chill values between 15 and 25. Calm wind becoming south around 6 mph in the afternoon.

    High: 32 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. Wind chill values between 20 and 25. Southwest wind 6 to 8 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow before 10am, then rain. High near 44. Wind chill values between 20 and 30. Southwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 30. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 30 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 38. West wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 32. Wind chill values between 15 and 25. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 28. Wind chill values between 20 and 25. Southwest wind 6 to 8 mph.
Wednesday
A chance of rain and snow before 10am, then rain. High near 44. Wind chill values between 20 and 30. Southwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
A 30 percent chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 30. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 38. West wind 10 to 16 mph, with gusts as high as 28 mph.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 37.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 39.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 16.
Monday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cos Cob CT
 41.06°N 73.59°W (Elev. 108 ft)
Last Update:
4:50 am EST Dec 9, 2025
Forecast Valid:
5am EST Dec 9, 2025-6pm EST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation