Millersburg, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Millersburg, a city in Bourbon County, Kentucky.
Overnight
60°F
Clear
Clear, with a low around 60. Northeast wind around 3 mph.
7-day forecast for Millersburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Clear | 3 mph NE | 0% |
| Tuesday | 87°F | Sunny | 5 mph NE | 1% |
| Tuesday Night | 67°F | Partly Cloudy | 1 to 5 mph NE | 5% |
| Wednesday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph SW | 37% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph S | 37% |
| Thursday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph SW | 28% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms | 6 mph SW | 39% |
| Friday | 86°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 59% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 6 mph SW | 59% |
| Saturday | 86°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 38% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 38% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 21% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 21% |
| Monday | 90°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 8 mph SW | 17% |
Forecast source: National Weather Service (api.weather.gov) for Millersburg (38.305, -84.143). Updated through the day.
Growing snapshot for Millersburg
Last spring frost
Apr 18
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
6b
More local growing data for Millersburg: nearby ZIP 40348 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cynthiana, Ky (9.9 mi from Millersburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.