Junction City, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Junction City, a city in Geary County, Kansas.
Today
91°F
Slight Chance Rain Showers then Partly Sunny
A slight chance of rain showers before 11am. Partly sunny, with a high near 91. Southeast wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Junction City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Slight Chance Rain Showers then Partly Sunny | 5 mph SE | 18% |
| Tonight | 68°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 21% |
| Wednesday | 80°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 30% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms | 0 to 10 mph NE | 40% |
| Thursday | 85°F | Chance Showers And Thunderstorms then Mostly Sunny | 0 to 5 mph E | 28% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 52% |
| Friday | 89°F | Chance Showers And Thunderstorms then Mostly Sunny | 0 to 5 mph S | 44% |
| Friday Night | 70°F | Clear | 5 mph S | 7% |
| Saturday | 92°F | Sunny | 5 to 10 mph S | 7% |
| Saturday Night | 75°F | Clear | 10 mph S | 2% |
| Sunday | 94°F | Sunny | 10 to 15 mph S | 1% |
| Sunday Night | 76°F | Mostly Clear | 15 mph S | 2% |
| Monday | 94°F | Sunny | 15 mph SW | 2% |
| Monday Night | 76°F | Mostly Clear | 15 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Junction City (39.027, -96.852). Updated through the day.
Growing snapshot for Junction City
Last spring frost
Apr 12
First fall frost
Oct 26
Growing season
193 days
Hardiness zone
6b
More local growing data for Junction City: nearby ZIP 66441 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Milford Lake, Ks (8.6 mi from Junction City). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.