Harrison, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harrison, a town in Washington County, Georgia.
Today
90°F
Patchy Fog then Chance Showers And Thunderstorms
Patchy fog before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. Heat index values as high as 98. Southwest wind around 0 mph. Chance of precipitation is 50%.
7-day forecast for Harrison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Patchy Fog then Chance Showers And Thunderstorms | 0 mph | 50% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 41% |
| Wednesday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 32% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 45% |
| Thursday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 39% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 44% |
| Friday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 25% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 25% |
| Saturday | 92°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 mph | 29% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 0 mph | 29% |
| Sunday | 93°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 mph | 41% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 0 mph | 41% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 33% |
| Monday Night | 72°F | Chance Showers And Thunderstorms | 0 mph | 33% |
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 Aug 4, 2026.