Thomaston, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Thomaston, a city in Upson County, Georgia.
Today
75°F
Showers And Thunderstorms
A chance of rain showers before 10am, then showers and thunderstorms. Cloudy, with a high near 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Thomaston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Showers And Thunderstorms | 5 to 10 mph SE | 91% |
| Tonight | 64°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 58% |
| Thursday | 78°F | Slight Chance Rain Showers | 0 to 5 mph SW | 21% |
| Thursday Night | 59°F | Slight Chance Rain Showers | 0 mph | 23% |
| Friday | 77°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph NW | 23% |
| Friday Night | 49°F | Mostly Clear | 5 mph NW | 1% |
| Saturday | 71°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 41°F | Partly Cloudy | 5 mph NW | 0% |
| Sunday | 67°F | Mostly Sunny | 0 to 5 mph N | 4% |
| Sunday Night | 42°F | Mostly Clear | 0 to 5 mph N | 4% |
| Monday | 68°F | Sunny | 5 mph N | 4% |
| Monday Night | 41°F | Mostly Clear | 0 mph | 4% |
| Tuesday | 70°F | Sunny | 0 to 5 mph NW | 6% |
| Tuesday Night | 42°F | Mostly Clear | 0 mph | 6% |
Forecast source: National Weather Service (api.weather.gov) for Thomaston (32.892, -84.327). Updated through the day.
Growing snapshot for Thomaston
Last spring frost
Mar 23
First fall frost
Nov 12
Growing season
234 days
Hardiness zone
8b
More local growing data for Thomaston: nearby ZIP 30286 weather · frost dates · planting calendar · Georgia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Thomaston 4Se, Ga (4.1 mi from Thomaston). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.