Grayson, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grayson, a city in Gwinnett County, Georgia.
This Afternoon
74°F
Partly Sunny
Partly sunny, with a high near 74. East wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for Grayson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Partly Sunny | 10 mph E | 3% |
| Tonight | 63°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 15 mph E | 24% |
| Wednesday | 71°F | Chance Showers And Thunderstorms | 5 to 15 mph SE | 91% |
| Wednesday Night | 64°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 73% |
| Thursday | 75°F | Chance Rain Showers | 0 to 5 mph SW | 44% |
| Thursday Night | 57°F | Chance Rain Showers | 0 mph | 44% |
| Friday | 73°F | Chance Rain Showers | 0 to 10 mph W | 44% |
| Friday Night | 49°F | Slight Chance Rain Showers then Mostly Clear | 5 mph NW | 17% |
| Saturday | 70°F | Sunny | 5 mph NW | 2% |
| Saturday Night | 45°F | Partly Cloudy | 0 to 5 mph NW | 2% |
| Sunday | 66°F | Mostly Sunny | 5 mph NW | 7% |
| Sunday Night | 43°F | Partly Cloudy | 5 mph NW | 8% |
| Monday | 65°F | Sunny | 5 to 10 mph NW | 5% |
| Monday Night | 42°F | Mostly Clear | 5 to 10 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Grayson (33.891, -83.958). Updated through the day.
Growing snapshot for Grayson
Last spring frost
Apr 3
First fall frost
Nov 7
Growing season
219 days
Hardiness zone
8a
More local growing data for Grayson: nearby ZIP 30017 weather · frost dates · planting calendar · Georgia frost dates
Nearby towns & communities
Berkeley Lake
Buford
Dacula
Lawrenceville
Lilburn
Mountain Park
Norcross
Peachtree Corners
Rest Haven
Snellville
Sugar Hill
Suwanee
Climate data from the nearest NOAA station, Winder 4S, Ga (13.9 mi from Grayson). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.