Barnesville, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Barnesville, a city in Lamar County, Georgia.
This Afternoon
86°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Partly sunny. High near 86, with temperatures falling to around 82 in the afternoon. Southwest wind around 0 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Barnesville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Showers And Thunderstorms Likely | 0 mph | 62% |
| Tonight | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 47% |
| Wednesday | 87°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 60% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 45% |
| Thursday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 36% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 36% |
| Friday | 89°F | Chance Showers And Thunderstorms | 0 mph | 29% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 29% |
| Saturday | 89°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 mph | 40% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 40% |
| Sunday | 89°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 mph | 42% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 0 mph | 42% |
| Monday | 89°F | Chance Showers And Thunderstorms | 0 mph | 41% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 0 mph | 41% |
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 Aug 4, 2026.