Katonah, NY Weather & Growing Conditions
Today
84°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 84. Southwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Patchy Fog then Sunny | 2 mph SW | 0% |
| Tonight | 62°F | Mostly Cloudy | 2 mph SW | 0% |
| Wednesday | 83°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 5 mph S | 19% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 3 mph S | 30% |
| Thursday | 87°F | Showers And Thunderstorms Likely | 2 to 7 mph SW | 55% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 51% |
| Friday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph SW | 45% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 3 mph SW | 43% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph W | 37% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 1 to 5 mph W | 37% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph W | 15% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 1 to 5 mph SW | 15% |
| Monday | 89°F | Sunny then Slight Chance Showers And Thunderstorms | 1 to 8 mph W | 15% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph W | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Katonah, NY
Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
174 days
Hardiness zone
7a
Explore more for Katonah, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Yorktown Hts 1W, Ny (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.