Suwanee, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Suwanee, a city in Gwinnett County, Georgia.
Tonight
62°F
Mostly Cloudy then Chance Showers And Thunderstorms
A slight chance of rain showers between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
7-day forecast for Suwanee
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Mostly Cloudy then Chance Showers And Thunderstorms | 10 mph E | 27% |
| Wednesday | 71°F | Showers And Thunderstorms | 5 to 15 mph SE | 90% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 0 to 5 mph S | 78% |
| Thursday | 75°F | Chance Rain Showers | 0 to 5 mph SW | 43% |
| Thursday Night | 56°F | Chance Rain Showers | 0 mph | 43% |
| Friday | 73°F | Chance Rain Showers | 0 to 10 mph W | 40% |
| Friday Night | 48°F | Slight Chance Rain Showers then Mostly Clear | 5 mph NW | 17% |
| Saturday | 69°F | Sunny | 5 to 10 mph NW | 1% |
| Saturday Night | 44°F | Partly Cloudy | 0 to 10 mph NW | 2% |
| Sunday | 66°F | Mostly Sunny | 0 to 5 mph NW | 7% |
| Sunday Night | 42°F | Mostly Clear | 5 mph NW | 8% |
| Monday | 65°F | Sunny | 5 to 10 mph NW | 4% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph NW | 1% |
| Tuesday | 67°F | Sunny | 5 to 10 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Suwanee (34.051, -84.066). Updated through the day.
Growing snapshot for Suwanee
Last spring frost
Apr 4
First fall frost
Nov 4
Growing season
214 days
Hardiness zone
8a
More local growing data for Suwanee: nearby ZIP 30024 weather · frost dates · planting calendar · Georgia frost dates
Nearby towns & communities
Berkeley Lake
Buford
Dacula
Grayson
Lawrenceville
Lilburn
Mountain Park
Norcross
Peachtree Corners
Rest Haven
Snellville
Sugar Hill
Climate data from the nearest NOAA station, Cumming 2N, Ga (11.6 mi from Suwanee). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.