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

31°F

-1°C

Humidity 54%
Wind Speed NE 6 mph
Barometer 30.28 in (1026.3 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 1 Dec 7:56 pm EST
Extended Forecast for

Cos Cob CT

  • Tonight

    Tonight: A 20 percent chance of snow after 4am. Mostly cloudy, with a low around 29. Light and variable wind.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Rain and snow likely before 10am, then rain. High near 42. Light northeast wind becoming north 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 7pm. Low around 27. Wind chill values between 15 and 20. Northwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 27 °F

    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 39. Wind chill values between 15 and 25. Northwest wind 6 to 11 mph, with gusts as high as 23 mph.

    High: 39 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Southwest wind 3 to 7 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
A 20 percent chance of snow after 4am. Mostly cloudy, with a low around 29. Light and variable wind.
Tuesday
Rain and snow likely before 10am, then rain. High near 42. Light northeast wind becoming north 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain, mainly before 7pm. Low around 27. Wind chill values between 15 and 20. Northwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Sunny, with a high near 39. Wind chill values between 15 and 25. Northwest wind 6 to 11 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 28. Southwest wind 3 to 7 mph.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 16.
Friday
Mostly sunny, with a high near 33.
Friday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 24.
Saturday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cos Cob CT
 41.06°N 73.59°W (Elev. 108 ft)
Last Update:
1:21 pm EST Dec 1, 2025
Forecast Valid:
8pm EST Dec 1, 2025-6pm EST Dec 8, 2025
 
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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