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

70°F

21°C

Humidity 87%
Wind Speed NW 9 mph
Barometer 29.96 in (1014.1 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 31 Jul 7:56 am EDT
Extended Forecast for

Katonah NY

  • Today

    Today: Sunny, with a high near 83. Light northwest wind.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.

    High: 86 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 82. Light south wind increasing to 5 to 10 mph in the morning.

    High: 82 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 83. Light northwest wind.
Tonight
Mostly clear, with a low around 63. Calm wind.
Saturday
Partly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 82. Light south wind increasing to 5 to 10 mph in the morning.
Sunday Night
A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Monday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 63.
Tuesday
A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 83.
Tuesday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 64.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Katonah NY
 41.26°N 73.72°W (Elev. 249 ft)
Last Update:
2:30 am EDT Jul 31, 2026
Forecast Valid:
8am EDT Jul 31, 2026-6pm EDT Aug 6, 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