National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

White Plains - Westchester County Airport (KHPN)

Lat: 41.06°NLon: 73.7°WElev: 367ft.

Fair

84°F

29°C

Humidity 57%
Wind Speed NW 8 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 9 Aug 5:56 pm EDT
Extended Forecast for

New Canaan CT

Heat Advisory August 9, 06:34pm until August 10, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 9, 06:34pm until August 10, 07:00pm

    NOW until 7:00pm Mon

    Heat Advisory

  • Tonight

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 90. Heat index values as high as 95. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 69. West wind around 6 mph.

    Low: 69 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. Northwest wind 7 to 9 mph.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. North wind 3 to 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 65. Northwest wind around 6 mph becoming calm in the evening.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 90. Heat index values as high as 95. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Monday Night
A 40 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 69. West wind around 6 mph.
Tuesday
Mostly sunny, with a high near 86. Northwest wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 63. North wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 79.
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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:
2:26 pm EDT Aug 9, 2026
Forecast Valid:
6pm EDT Aug 9, 2026-6pm EDT Aug 16, 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