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.

Mostly Cloudy

39°F

4°C

Humidity 45%
Wind Speed SW 10 mph
Barometer 30.07 in (1019.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Mar 12:56 pm EDT
Extended Forecast for

Cos Cob CT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 42. South wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 42 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of rain before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 38. South wind 13 to 15 mph becoming southwest after midnight. Winds could gust as high as 28 mph.

    Low: 38 °F

    Chance Rain
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 49. Breezy, with a west wind 17 to 23 mph, with gusts as high as 33 mph.

    High: 49 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 32. Northwest wind 6 to 13 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 47. Northeast wind 5 to 9 mph.

    High: 47 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 11pm. The rain could be heavy at times. Low around 39. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Chance Rain
    then Heavy
    Rain

  • Monday

    Monday: Rain, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rainfall. High near 60. Breezy. Chance of precipitation is 100%.

    High: 60 °F

    Heavy Rain
    and Breezy

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm. Low around 38. Windy. Chance of precipitation is 90%.

    Low: 38 °F

    Rain and
    Windy

  • Tuesday

    Tuesday: A 30 percent chance of rain before 8am. Mostly sunny, with a high near 47.

    High: 47 °F

    Chance Rain
    then Partly
    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 42. South wind 9 to 11 mph, with gusts as high as 22 mph.
Tonight
A 30 percent chance of rain before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 38. South wind 13 to 15 mph becoming southwest after midnight. Winds could gust as high as 28 mph.
Saturday
Sunny, with a high near 49. Breezy, with a west wind 17 to 23 mph, with gusts as high as 33 mph.
Saturday Night
Increasing clouds, with a low around 32. Northwest wind 6 to 13 mph.
Sunday
Mostly cloudy, with a high near 47. Northeast wind 5 to 9 mph.
Sunday Night
Rain, mainly after 11pm. The rain could be heavy at times. Low around 39. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rainfall. High near 60. Breezy. Chance of precipitation is 100%.
Monday Night
Rain and possibly a thunderstorm. Low around 38. Windy. Chance of precipitation is 90%.
Tuesday
A 30 percent chance of rain before 8am. Mostly sunny, with a high near 47.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly cloudy, with a high near 45.
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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:
6:18 am EDT Mar 13, 2026
Forecast Valid:
1pm EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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