Suwanee, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Suwanee, a city in Gwinnett County, Georgia.
Today
93°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. Heat index values as high as 99. Northeast wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast for Suwanee
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 23% |
| Tonight | 70°F | Chance Showers And Thunderstorms | 5 mph E | 33% |
| Sunday | 90°F | Mostly Sunny | 0 to 5 mph NE | 9% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 26% |
| Monday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 31% |
| Monday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph E | 64% |
| Tuesday | 85°F | Showers And Thunderstorms Likely | 5 mph E | 68% |
| Tuesday Night | 67°F | Showers And Thunderstorms Likely | 5 to 10 mph E | 68% |
| Wednesday | 78°F | Chance Rain Showers | 10 mph E | 37% |
| Wednesday Night | 62°F | Chance Showers And Thunderstorms | 10 mph NE | 28% |
| Thursday | 78°F | Mostly Sunny | 5 to 10 mph NE | 13% |
| Thursday Night | 61°F | Partly Cloudy | 5 mph NE | 13% |
| Friday | 79°F | Mostly Sunny | 5 mph NE | 10% |
| Friday Night | 60°F | Partly Cloudy | 5 mph NE | 10% |
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 Sep 19, 2026.