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.

Mostly Cloudy

42°F

6°C

Humidity 71%
Wind Speed NW 7 mph
Barometer 30.02 in (1017.1 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 19 Apr 8:56 pm EDT
Extended Forecast for

New Canaan CT

Frost Advisory April 20, 12:00am until April 20, 08:00am
Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Frost Advisory
Freeze Warning

  • Tonight

    Tonight: A 20 percent chance of showers before 10pm. Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 34. Northwest wind 5 to 9 mph becoming light west after midnight.

    Low: 34 °F

    Slight Chance
    Showers then
    Frost

  • Monday

    Monday: A 40 percent chance of showers, mainly before 2pm. Widespread frost before 7am. Otherwise, partly sunny, with a high near 50. Northwest wind 5 to 9 mph.

    High: 50 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. Wind chill values between 20 and 25. Northwest wind 8 to 10 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51. Wind chill values between 20 and 30 early. North wind around 6 mph becoming light and variable.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 2am. Increasing clouds, with a low around 40. South wind around 8 mph.

    Low: 40 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers before 10pm. Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 34. Northwest wind 5 to 9 mph becoming light west after midnight.
Monday
A 40 percent chance of showers, mainly before 2pm. Widespread frost before 7am. Otherwise, partly sunny, with a high near 50. Northwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 28. Wind chill values between 20 and 25. Northwest wind 8 to 10 mph.
Tuesday
Sunny, with a high near 51. Wind chill values between 20 and 30 early. North wind around 6 mph becoming light and variable.
Tuesday Night
A 30 percent chance of showers after 2am. Increasing clouds, with a low around 40. South wind around 8 mph.
Wednesday
Mostly cloudy, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 65.
Friday Night
A 40 percent chance of showers. Partly cloudy, with a low around 44.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 61.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 59.
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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:
6:50 pm EDT Apr 19, 2026
Forecast Valid:
9pm EDT Apr 19, 2026-6pm EDT Apr 26, 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