Harrison, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harrison, a town in Washington County, Georgia.
Tonight
64°F
Mostly Cloudy
Mostly cloudy, with a low around 64. East wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Harrison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Mostly Cloudy | 5 to 10 mph E | 3% |
| Wednesday | 83°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 26% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 48% |
| Thursday | 82°F | Mostly Sunny then Chance Rain Showers | 0 to 5 mph SW | 31% |
| Thursday Night | 63°F | Chance Rain Showers | 0 mph | 41% |
| Friday | 80°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 41% |
| Friday Night | 52°F | Slight Chance Rain Showers | 0 mph | 17% |
| Saturday | 77°F | Sunny | 0 to 5 mph NW | 8% |
| Saturday Night | 47°F | Partly Cloudy | 0 mph | 5% |
| Sunday | 73°F | Mostly Sunny | 0 to 5 mph N | 7% |
| Sunday Night | 45°F | Partly Cloudy | 0 mph | 11% |
| Monday | 71°F | Sunny | 5 mph NW | 10% |
| Monday Night | 41°F | Mostly Clear | 0 to 5 mph NW | 8% |
| Tuesday | 73°F | Sunny | 0 to 5 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov) for Harrison (32.826, -82.726). Updated through the day.
Growing snapshot for Harrison
Last spring frost
Mar 19
First fall frost
Nov 13
Growing season
241 days
Hardiness zone
8b
More local growing data for Harrison: nearby ZIP 31035 weather · frost dates · planting calendar · Georgia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sandersville, Ga (10 mi from Harrison). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.