St. Louis, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Louis, a town in Pottawatomie County, Oklahoma.
This Afternoon
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 97. South wind around 9 mph.
7-day forecast for St. Louis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Sunny | 9 mph S | 0% |
| Tonight | 73°F | Mostly Clear | 8 mph S | 0% |
| Saturday | 98°F | Sunny | 7 to 12 mph SSW | 1% |
| Saturday Night | 74°F | Partly Cloudy | 10 mph S | 11% |
| Sunday | 96°F | Showers And Thunderstorms Likely | 9 mph S | 58% |
| Sunday Night | 67°F | Showers And Thunderstorms Likely | 2 to 7 mph SE | 72% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph NNE | 56% |
| Monday Night | 64°F | Partly Cloudy | 7 mph NNE | 12% |
| Tuesday | 84°F | Mostly Sunny | 9 mph NNE | 14% |
| Tuesday Night | 61°F | Partly Cloudy | 8 mph NE | 4% |
| Wednesday | 85°F | Mostly Sunny | 6 mph ENE | 11% |
| Wednesday Night | 62°F | Partly Cloudy | 2 to 6 mph ENE | 7% |
| Thursday | 87°F | Mostly Sunny | 5 mph ENE | 13% |
| Thursday Night | 64°F | Partly Cloudy | 5 mph ENE | 10% |
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 Sep 18, 2026.