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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Cos Cob CT

  • Tonight

    Tonight: A 20 percent chance of rain before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 34. West wind around 11 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 42. Northwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow after 1am. Increasing clouds, with a low around 27. Light and variable wind.

    Low: 27 °F

    Partly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: Rain and snow before 10am, then rain between 10am and 4pm, then rain and snow after 4pm. High near 43. North wind 5 to 9 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Snow, possibly mixed with rain, mainly before 7pm. Low around 26. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Thursday Night

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

    Low: 16 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 34. West wind around 11 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 42. Northwest wind 6 to 13 mph, with gusts as high as 23 mph.
Monday Night
A 30 percent chance of snow after 1am. Increasing clouds, with a low around 27. Light and variable wind.
Tuesday
Rain and snow before 10am, then rain between 10am and 4pm, then rain and snow after 4pm. High near 43. North wind 5 to 9 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow, possibly mixed with rain, mainly before 7pm. Low around 26. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 16.
Friday
Mostly sunny, with a high near 32.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 39.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cos Cob CT
 41.06°N 73.59°W (Elev. 108 ft)
Last Update:
5:44 pm EST Nov 30, 2025
Forecast Valid:
7pm EST Nov 30, 2025-6pm EST Dec 7, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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