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Chattanooga, OK Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Chattanooga, a town in Cotton County, Oklahoma.

Today
102°F
Sunny
Sunny, with a high near 102. Heat index values as high as 104. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.

7-day forecast for Chattanooga

WhenTempForecastWindPrecip
Today 102°F Sunny 10 to 14 mph SSW 0%
Tonight 76°F Partly Cloudy 13 mph SSE 3%
Sunday 101°F Showers And Thunderstorms Likely 9 to 13 mph S 61%
Sunday Night 67°F Showers And Thunderstorms Likely 6 to 10 mph ENE 61%
Monday 92°F Chance Rain Showers 9 to 13 mph NE 25%
Monday Night 64°F Chance Showers And Thunderstorms 13 mph NE 29%
Tuesday 87°F Slight Chance Showers And Thunderstorms 13 mph NE 22%
Tuesday Night 61°F Partly Cloudy then Slight Chance Rain Showers 9 to 13 mph ENE 15%
Wednesday 89°F Slight Chance Rain Showers then Mostly Sunny 10 mph ENE 15%
Wednesday Night 63°F Partly Cloudy 9 mph E 11%
Thursday 91°F Partly Sunny 8 mph SE 14%
Thursday Night 66°F Mostly Cloudy 9 mph E 9%
Friday 92°F Partly Sunny 8 mph SE 11%
Friday Night 67°F Mostly Cloudy 9 mph ESE 10%

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

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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 19, 2026.