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

80°F

27°C

Humidity 71%
Wind Speed Vrbl 7 mph
Barometer 29.93 in (1012.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Aug 9:56 am EDT
Extended Forecast for

New Canaan CT

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 90. Heat index values as high as 96. Southwest wind 7 to 9 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. Light and variable wind becoming north 10 to 15 mph after midnight. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 2pm. Mostly cloudy, with a high near 75. Northeast wind 9 to 16 mph.

    High: 75 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 58. East wind around 7 mph.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. East wind around 9 mph.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 77.

    High: 77 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 90. Heat index values as high as 96. Southwest wind 7 to 9 mph.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. Light and variable wind becoming north 10 to 15 mph after midnight. Chance of precipitation is 40%.
Monday
A 20 percent chance of showers before 2pm. Mostly cloudy, with a high near 75. Northeast wind 9 to 16 mph.
Monday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 58. East wind around 7 mph.
Tuesday
Mostly sunny, with a high near 76. East wind around 9 mph.
Tuesday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 61.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 77.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Canaan CT
 41.14°N 73.48°W (Elev. 299 ft)
Last Update:
8:04 am EDT Aug 17, 2025
Forecast Valid:
10am EDT Aug 17, 2025-6pm EDT Aug 23, 2025
 
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