Junction City, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Junction City, a city in Boyle County, Kentucky.
Tonight
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Northeast wind around 3 mph. Chance of precipitation is 30%.
7-day forecast for Junction City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Chance Showers And Thunderstorms | 3 mph NE | 29% |
| Saturday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 mph S | 16% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 mph S | 31% |
| Sunday | 92°F | Mostly Sunny | 7 mph SW | 9% |
| Sunday Night | 68°F | Partly Cloudy | 5 mph SE | 7% |
| Monday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 6 mph SW | 44% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 6 mph NE | 49% |
| Tuesday | 80°F | Showers And Thunderstorms Likely | 6 mph NE | 59% |
| Tuesday Night | 61°F | Showers And Thunderstorms Likely | 3 to 7 mph NE | 59% |
| Wednesday | 76°F | Chance Rain Showers | 6 mph N | 42% |
| Wednesday Night | 58°F | Chance Rain Showers then Mostly Cloudy | 2 to 6 mph N | 36% |
| Thursday | 75°F | Mostly Sunny | 2 to 6 mph N | 13% |
| Thursday Night | 57°F | Partly Cloudy | 2 to 6 mph N | 12% |
| Friday | 74°F | Mostly Sunny | 2 to 7 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov) for Junction City (37.585, -84.789). Updated through the day.
Growing snapshot for Junction City
Last spring frost
Apr 9
First fall frost
Oct 27
Growing season
199 days
Hardiness zone
7a
More local growing data for Junction City: nearby ZIP 40440 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Danville, Ky (6.4 mi from Junction City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.