Millersburg, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Millersburg, a city in Bourbon County, Kentucky.
Tonight
60°F
Mostly Cloudy then Showers And Thunderstorms Likely
A slight chance of rain showers between 1am and 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 60. South wind 6 to 12 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Millersburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Mostly Cloudy then Showers And Thunderstorms Likely | 6 to 12 mph S | 71% |
| Wednesday | 68°F | Showers And Thunderstorms | 14 mph S | 99% |
| Wednesday Night | 51°F | Chance Showers And Thunderstorms then Mostly Cloudy | 3 to 10 mph SW | 46% |
| Thursday | 67°F | Mostly Sunny | 3 to 9 mph SW | 0% |
| Thursday Night | 42°F | Partly Cloudy | 1 to 5 mph SW | 0% |
| Friday | 63°F | Mostly Sunny | 0 to 7 mph NW | 4% |
| Friday Night | 38°F | Mostly Cloudy | 6 mph NW | 12% |
| Saturday | 56°F | Mostly Sunny | 2 to 6 mph NW | 12% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 3 mph NW | 6% |
| Sunday | 57°F | Mostly Sunny | 0 to 6 mph W | 8% |
| Sunday Night | 30°F | Partly Cloudy | 5 mph W | 13% |
| Monday | 59°F | Sunny | 3 to 7 mph W | 13% |
| Monday Night | 33°F | Mostly Clear | 6 mph SW | 10% |
| Tuesday | 63°F | Mostly Sunny | 5 to 8 mph SW | 2% |
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 Nov 4, 2026.