St. George, KS Weather & Growing Conditions
Tonight
42°F
Mostly Cloudy
Mostly cloudy, with a low around 42. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Mostly Cloudy | 5 to 15 mph NW | 14% |
| Wednesday | 57°F | Mostly Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 38°F | Clear | 0 to 5 mph W | 4% |
| Thursday | 56°F | Mostly Sunny | 5 to 10 mph NW | 14% |
| Thursday Night | 37°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Friday | 57°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 36°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 62°F | Mostly Sunny | 0 to 5 mph W | 4% |
| Saturday Night | 38°F | Clear | 0 mph | 6% |
| Sunday | 66°F | Sunny | 0 to 5 mph W | 2% |
| Sunday Night | 41°F | Clear | 0 to 5 mph SW | 0% |
| Monday | 70°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 43°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Tuesday | 69°F | Mostly Sunny | 0 to 5 mph NE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. George, KS
Last spring frost
Apr 18
First fall frost
Oct 19
Growing season
183 days
Hardiness zone
6a
Explore more for St. George, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Wamego 4 W, Ks (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.