Fort Oglethorpe, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Oglethorpe, a city in Catoosa County, Georgia.
Tonight
72°F
Mostly Clear
Mostly clear, with a low around 72. Heat index values as high as 100. North wind 0 to 5 mph.
7-day forecast for Fort Oglethorpe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Mostly Clear | 0 to 5 mph N | 11% |
| Saturday | 97°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph N | 36% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 32% |
| Sunday | 95°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 27% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 27% |
| Monday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 45% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 48% |
| Tuesday | 91°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 69% |
| Tuesday Night | 67°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph E | 69% |
| Wednesday | 86°F | Chance Rain Showers | 0 to 5 mph SW | 48% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms | 5 mph N | 48% |
| Thursday | 84°F | Mostly Sunny | 0 to 5 mph N | 11% |
| Thursday Night | 61°F | Partly Cloudy | 5 mph N | 11% |
| Friday | 83°F | Mostly Sunny | 5 to 10 mph N | 9% |
Forecast source: National Weather Service (api.weather.gov) for Fort Oglethorpe (34.932, -85.246). Updated through the day.
Growing snapshot for Fort Oglethorpe
Last spring frost
Apr 6
First fall frost
Oct 30
Growing season
205 days
Hardiness zone
8a
More local growing data for Fort Oglethorpe: nearby ZIP 30742 weather · frost dates · planting calendar · Georgia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Chickamauga Pk Larc, Ga (1.8 mi from Fort Oglethorpe). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.