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

82°F

28°C

Humidity 51%
Wind Speed S 12 G 20 mph
Barometer 30.12 in (1019.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 May 3:56 pm EDT
Extended Forecast for

New Canaan CT

  • Tonight

    Tonight: Mostly clear, with a low around 65. South wind 5 to 9 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Southwest wind 5 to 13 mph.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. Southwest wind 6 to 8 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 92. Southwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Mostly Sunny
    then Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 54. North wind around 9 mph. Chance of precipitation is 80%.

    Low: 54 °F

    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 65. South wind 5 to 9 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 92. Southwest wind 5 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 70. Southwest wind 6 to 8 mph.
Wednesday
A chance of showers and thunderstorms between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 92. Southwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 54. North wind around 9 mph. Chance of precipitation is 80%.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Partly sunny, with a high near 68.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Saturday
Showers likely. Cloudy, with a high near 62. Chance of precipitation is 70%.
Saturday Night
Showers likely. Cloudy, with a low around 50. Chance of precipitation is 70%.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 66.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Memorial Day
A 30 percent chance of showers. Mostly cloudy, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Canaan CT
 41.14°N 73.48°W (Elev. 299 ft)
Last Update:
3:16 pm EDT May 18, 2026
Forecast Valid:
4pm EDT May 18, 2026-6pm EDT May 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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