St. George, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. George, a city in Pottawatomie County, Kansas.
This Afternoon
64°F
Slight Chance Drizzle
A slight chance of drizzle. Cloudy. High near 64, with temperatures falling to around 53 in the afternoon. Northwest wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
7-day forecast for St. George
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Slight Chance Drizzle | 15 mph NW | 16% |
| Tonight | 43°F | Cloudy | 5 to 15 mph NW | 12% |
| Wednesday | 57°F | Mostly Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 39°F | Clear | 0 to 5 mph W | 5% |
| Thursday | 57°F | Mostly Sunny | 5 mph NW | 14% |
| Thursday Night | 38°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Friday | 57°F | Partly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 37°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 63°F | Mostly Sunny | 0 to 5 mph W | 4% |
| Saturday Night | 39°F | Clear | 0 mph | 6% |
| Sunday | 67°F | Sunny | 0 to 5 mph W | 3% |
| Sunday Night | 42°F | Clear | 0 to 5 mph SW | 0% |
| Monday | 70°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 44°F | Mostly Clear | 0 to 5 mph W | 0% |
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 Nov 4, 2026.