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.

A Few Clouds

74°F

23°C

Humidity 76%
Wind Speed Calm
Barometer 29.88 in (1011.1 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 18 Aug 7:56 pm EDT
Extended Forecast for

New Canaan CT

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming west around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. Light southwest wind.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. North wind 3 to 5 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 61. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers after 8am. Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. Calm wind.
Wednesday
Sunny, with a high near 84. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 67. Light southwest wind.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. North wind 3 to 5 mph.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 61. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 63.
Saturday
A 50 percent chance of showers after 8am. Partly sunny, with a high near 78.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Canaan CT
 41.16°N 73.48°W (Elev. 417 ft)
Last Update:
2:34 pm EDT Aug 18, 2026
Forecast Valid:
8pm EDT Aug 18, 2026-6pm EDT Aug 25, 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