Barnesville, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Barnesville, a city in Lamar County, Georgia.
This Afternoon
94°F
Sunny
Sunny, with a high near 94. Heat index values as high as 99. Northeast wind around 0 mph.
7-day forecast for Barnesville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 94°F | Sunny | 0 mph | 5% |
| Tonight | 71°F | Mostly Clear | 0 mph | 7% |
| Saturday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 24% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 42% |
| Sunday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 22% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 0 mph | 23% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 32% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 42% |
| Tuesday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 44% |
| Tuesday Night | 68°F | Chance Showers And Thunderstorms | 5 mph NE | 44% |
| Wednesday | 84°F | Chance Rain Showers | 5 to 10 mph NE | 26% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Partly Cloudy | 10 mph NE | 26% |
| Thursday | 82°F | Mostly Sunny | 10 mph NE | 8% |
| Thursday Night | 62°F | Partly Cloudy | 5 to 10 mph N | 8% |
Forecast source: National Weather Service (api.weather.gov) for Barnesville (33.049, -84.149). Updated through the day.
Growing snapshot for Barnesville
Last spring frost
Mar 18
First fall frost
Nov 14
Growing season
239 days
Hardiness zone
8b
More local growing data for Barnesville: nearby ZIP 30204 weather · frost dates · planting calendar · Georgia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, The Rock Rch, Ga (8.9 mi from Barnesville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.