Cynthiana, KY Weather & Growing Conditions
Today
87°F
Sunny
Sunny, with a high near 87. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 5 mph NE | 0% |
| Tonight | 66°F | Partly Cloudy | 3 mph NE | 3% |
| Wednesday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph W | 34% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph S | 34% |
| Thursday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph SW | 25% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 5 mph SW | 48% |
| Friday | 86°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 60% |
| Friday Night | 67°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph SW | 60% |
| Saturday | 86°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 to 7 mph SW | 36% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 mph SW | 36% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 20% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 20% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 17% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 mph SW | 27% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cynthiana, KY
Last spring frost
Apr 18
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
6b
Explore more for Cynthiana, KY: full frost dates · planting calendar · Kentucky frost dates
Climate data from the nearest NOAA station, Cynthiana, Ky (2.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.