Harrison, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harrison, a town in Washington County, Georgia.
Today
83°F
Cloudy then Chance Showers And Thunderstorms
A slight chance of rain showers between 2pm and 4pm, then a chance of showers and thunderstorms. Cloudy. High near 83, with temperatures falling to around 79 in the afternoon. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
7-day forecast for Harrison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph SE | 35% |
| Tonight | 64°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 56% |
| Thursday | 82°F | Partly Sunny then Slight Chance Rain Showers | 0 to 5 mph SW | 15% |
| Thursday Night | 63°F | Mostly Cloudy then Chance Showers And Thunderstorms | 0 mph | 39% |
| Friday | 80°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 39% |
| Friday Night | 51°F | Mostly Clear | 0 to 5 mph NW | 3% |
| Saturday | 75°F | Sunny | 0 to 5 mph NW | 1% |
| Saturday Night | 45°F | Partly Cloudy | 0 mph | 1% |
| Sunday | 72°F | Mostly Sunny | 0 mph | 1% |
| Sunday Night | 43°F | Partly Cloudy | 0 mph | 7% |
| Monday | 72°F | Sunny | 0 to 5 mph N | 6% |
| Monday Night | 41°F | Mostly Clear | 0 mph | 4% |
| Tuesday | 72°F | Sunny | 0 to 5 mph NW | 6% |
| Tuesday Night | 43°F | Mostly Clear | 0 mph | 6% |
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.