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.

Fair

78°F

26°C

Humidity 60%
Wind Speed NW 18 G 28 mph
Barometer 29.83 in (1009.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 3 Aug 5:56 pm EDT
Extended Forecast for

New Canaan CT

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 60. West wind 5 to 9 mph becoming light north after midnight.

    Low: 60 °F

    Chance
    Showers then
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.

    High: 81 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 60. West wind 5 to 9 mph becoming light north after midnight.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 62. Light and variable wind.
Wednesday
Partly sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening.
Thursday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87.
Thursday Night
A 50 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
Friday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Saturday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 85.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Canaan CT
 41.16°N 73.51°W (Elev. 390 ft)
Last Update:
6:39 pm EDT Aug 3, 2026
Forecast Valid:
6pm EDT Aug 3, 2026-6pm EDT Aug 10, 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