Suwanee, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Suwanee, a city in Gwinnett County, Georgia.
Today
85°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 10am and 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 85. East wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Suwanee
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 59% |
| Tonight | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 49% |
| Wednesday | 85°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 71% |
| Wednesday Night | 70°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SE | 61% |
| Thursday | 87°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 72% |
| Thursday Night | 70°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SE | 72% |
| Friday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 47% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 47% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 0 mph | 50% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 0 mph | 50% |
| Sunday | 89°F | Chance Showers And Thunderstorms | 0 mph | 51% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms | 0 mph | 51% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NW | 41% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 41% |
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 Aug 4, 2026.