St. George, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. George, a city in Pottawatomie County, Kansas.
Tonight
74°F
Partly Cloudy
Partly cloudy, with a low around 74. South wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for St. George
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Partly Cloudy | 5 to 10 mph S | 8% |
| Saturday | 93°F | Slight Chance Showers And Thunderstorms | 10 mph SW | 21% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 mph NE | 71% |
| Sunday | 75°F | Showers And Thunderstorms Likely | 5 mph NE | 55% |
| Sunday Night | 62°F | Showers And Thunderstorms Likely | 5 mph N | 55% |
| Monday | 69°F | Chance Rain Showers | 5 mph N | 26% |
| Monday Night | 55°F | Partly Cloudy | 5 mph NE | 6% |
| Tuesday | 66°F | Partly Sunny | 5 mph NE | 4% |
| Tuesday Night | 52°F | Partly Cloudy | 0 to 5 mph E | 3% |
| Wednesday | 69°F | Partly Sunny | 0 to 5 mph E | 4% |
| Wednesday Night | 56°F | Mostly Cloudy | 0 to 5 mph E | 13% |
| Thursday | 72°F | Chance Rain Showers | 0 to 5 mph SE | 32% |
| Thursday Night | 58°F | Mostly Cloudy then Chance Rain Showers | 0 to 5 mph E | 25% |
| Friday | 73°F | Chance Rain Showers | 0 to 5 mph SE | 25% |
Forecast source: National Weather Service (api.weather.gov) for St. George (39.193, -96.418). Updated through the day.
Growing snapshot for St. George
Last spring frost
Apr 18
First fall frost
Oct 19
Growing season
183 days
Hardiness zone
6a
More local growing data for St. George: nearby ZIP 66535 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Wamego 4 W, Ks (5 mi from St. George). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.