Chattanooga, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chattanooga, a town in Cotton County, Oklahoma.
Tonight
77°F
Mostly Cloudy
Mostly cloudy, with a low around 77. South wind around 14 mph, with gusts as high as 20 mph.
7-day forecast for Chattanooga
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 77°F | Mostly Cloudy | 14 mph S | 10% |
| Sunday | 101°F | Chance Showers And Thunderstorms | 13 mph S | 51% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 9 mph E | 55% |
| Monday | 92°F | Chance Rain Showers then Partly Sunny | 12 mph NE | 52% |
| Monday Night | 65°F | Partly Cloudy then Slight Chance Rain Showers | 12 mph NE | 18% |
| Tuesday | 89°F | Slight Chance Rain Showers then Mostly Sunny | 13 mph NE | 18% |
| Tuesday Night | 62°F | Partly Cloudy then Slight Chance Rain Showers | 9 to 13 mph ENE | 16% |
| Wednesday | 90°F | Slight Chance Rain Showers then Mostly Sunny | 10 mph E | 16% |
| Wednesday Night | 65°F | Partly Cloudy | 9 mph E | 5% |
| Thursday | 94°F | Slight Chance Rain Showers | 7 mph SE | 15% |
| Thursday Night | 68°F | Mostly Cloudy then Slight Chance Rain Showers | 8 mph ESE | 20% |
| Friday | 94°F | Slight Chance Rain Showers then Partly Sunny | 8 mph SE | 20% |
| Friday Night | 69°F | Mostly Cloudy | 9 mph E | 8% |
| Saturday | 96°F | Partly Sunny | 9 mph SE | 11% |
Forecast source: National Weather Service (api.weather.gov) for Chattanooga (34.424, -98.654). Updated through the day.
Growing snapshot for Chattanooga
Last spring frost
Apr 7
First fall frost
Nov 2
Growing season
205 days
Hardiness zone
8a
More local growing data for Chattanooga: nearby ZIP 73528 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Chattanooga, Ok (1.7 mi from Chattanooga). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.