Hamilton, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hamilton, a city in Harris County, Georgia.
Tonight
65°F
Chance Rain Showers
A chance of rain showers before 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
7-day forecast for Hamilton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Chance Rain Showers | 10 to 15 mph SE | 29% |
| Wednesday | 76°F | Showers And Thunderstorms | 10 to 15 mph SE | 81% |
| Wednesday Night | 64°F | Showers And Thunderstorms | 0 to 5 mph S | 79% |
| Thursday | 79°F | Partly Sunny then Chance Rain Showers | 0 to 5 mph SW | 39% |
| Thursday Night | 58°F | Chance Rain Showers | 0 mph | 39% |
| Friday | 77°F | Slight Chance Rain Showers | 0 to 10 mph NW | 24% |
| Friday Night | 50°F | Slight Chance Rain Showers then Mostly Clear | 5 mph NW | 17% |
| Saturday | 72°F | Sunny | 5 to 10 mph N | 2% |
| Saturday Night | 44°F | Partly Cloudy | 5 mph N | 4% |
| Sunday | 69°F | Mostly Sunny | 5 to 10 mph NW | 8% |
| Sunday Night | 43°F | Mostly Clear | 5 mph NW | 8% |
| Monday | 68°F | Sunny | 5 to 10 mph NW | 4% |
| Monday Night | 41°F | Mostly Clear | 5 to 10 mph N | 3% |
| Tuesday | 71°F | Sunny | 5 to 10 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Hamilton (32.765, -84.875). Updated through the day.
Growing snapshot for Hamilton
Last spring frost
Mar 21
First fall frost
Nov 18
Growing season
243 days
Hardiness zone
8b
More local growing data for Hamilton: nearby ZIP 31811 weather · frost dates · planting calendar · Georgia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mulberry Grove, Ga (12 mi from Hamilton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.