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.

Partly Cloudy

59°F

15°C

Humidity 49%
Wind Speed Calm
Barometer 29.97 in (1014.7 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 11 Mar 1:56 am EDT
Extended Forecast for

New Canaan CT

  • Overnight

    Overnight: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of rain between 9am and 11am, then a chance of showers after 11am. Increasing clouds, with a high near 61. Light east wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 40%.

    High: 61 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm, then a chance of rain and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a steady temperature around 56. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 56 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely before 5pm, then a chance of rain and snow. Mostly cloudy, with a temperature falling to around 43 by 5pm. Northwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 56 °F⇓

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 29. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Calm wind.
Wednesday
A slight chance of rain between 9am and 11am, then a chance of showers after 11am. Increasing clouds, with a high near 61. Light east wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 40%.
Wednesday Night
A chance of rain before 11pm, then a chance of rain and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a steady temperature around 56. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Thursday
Rain likely before 5pm, then a chance of rain and snow. Mostly cloudy, with a temperature falling to around 43 by 5pm. Northwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of snow before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 29. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 45.
Friday Night
A 30 percent chance of rain before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 35.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Cloudy, with a high near 51.
Sunday Night
Rain. Low around 43. Chance of precipitation is 80%.
Monday
Rain. High near 56. Chance of precipitation is 80%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of snow. Mostly sunny, with a high near 36.
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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:
9:48 pm EDT Mar 10, 2026
Forecast Valid:
2am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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