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

48°F

9°C

Humidity 89%
Wind Speed SE 3 mph
Barometer 30.04 in (1017.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 13 May 3:56 am EDT
Extended Forecast for

Cos Cob CT

  • Today

    Today: Mostly cloudy, with a high near 70. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 70 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers, mainly after 2am. Low around 52. South wind 6 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers then
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm. High near 64. East wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 49. Northwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 66. North wind 7 to 9 mph.

    High: 66 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 70. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 31 mph.
Tonight
Showers, mainly after 2am. Low around 52. South wind 6 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers, with thunderstorms also possible after 2pm. High near 64. East wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 49. Northwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 66. North wind 7 to 9 mph.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 88.
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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:
2:29 am EDT May 13, 2026
Forecast Valid:
4am EDT May 13, 2026-6pm EDT May 19, 2026
 
Forecast Discussion
 
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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