Thomaston, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Thomaston, a city in Upson County, Georgia.
Overnight
71°F
Mostly Clear
Mostly clear, with a low around 71. Wind around 0 mph.
7-day forecast for Thomaston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Mostly Clear | 0 mph | 2% |
| Saturday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 39% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 35% |
| Sunday | 90°F | Mostly Sunny | 0 mph | 14% |
| Sunday Night | 69°F | Mostly Clear | 0 mph | 7% |
| Monday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 26% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 43% |
| Tuesday | 89°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph NE | 48% |
| Tuesday Night | 69°F | Chance Showers And Thunderstorms | 5 mph NE | 48% |
| Wednesday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph NE | 32% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Mostly Clear | 5 to 10 mph NE | 32% |
| Thursday | 83°F | Mostly Sunny | 5 to 10 mph NE | 9% |
| Thursday Night | 63°F | Mostly Clear | 5 to 10 mph NE | 9% |
| Friday | 83°F | Mostly Sunny | 5 mph N | 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 Sep 19, 2026.