St. Louis, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Louis, a town in Pottawatomie County, Oklahoma.
Today
103°F
Sunny
Sunny, with a high near 103. Heat index values as high as 102. South wind around 8 mph.
7-day forecast for St. Louis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 103°F | Sunny | 8 mph S | 0% |
| Tonight | 77°F | Mostly Clear | 8 mph SSE | 2% |
| Wednesday | 103°F | Sunny | 6 to 9 mph SSW | 3% |
| Wednesday Night | 78°F | Mostly Clear | 7 to 10 mph S | 3% |
| Thursday | 102°F | Mostly Sunny | 8 mph SSW | 14% |
| Thursday Night | 76°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SSE | 19% |
| Friday | 98°F | Chance Showers And Thunderstorms | 5 to 9 mph S | 32% |
| Friday Night | 75°F | Chance Showers And Thunderstorms | 6 to 10 mph SSE | 28% |
| Saturday | 98°F | Slight Chance Showers And Thunderstorms then Sunny | 5 to 9 mph S | 15% |
| Saturday Night | 75°F | Mostly Clear | 6 to 10 mph S | 7% |
| Sunday | 99°F | Sunny | 6 to 10 mph S | 1% |
| Sunday Night | 76°F | Mostly Clear | 8 to 12 mph S | 0% |
| Monday | 98°F | Sunny | 8 to 13 mph S | 1% |
| Monday Night | 76°F | Mostly Clear | 9 to 13 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for St. Louis (35.081, -96.860). Updated through the day.
Growing snapshot for St. Louis
Last spring frost
Apr 1
First fall frost
Nov 1
Growing season
214 days
Hardiness zone
7b
More local growing data for St. Louis: nearby ZIP 74866 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Asher
Bethel Acres
Brooksville
Dale
Johnson
Macomb
Maud
McLoud
Pink
Shawnee
Tecumseh
Tribbey
Wanette
Climate data from the nearest NOAA station, Seminole 4Ssw Mesonet, Ok (11.3 mi from St. Louis). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.