Sugar Hill, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sugar Hill, a city in Gwinnett County, Georgia.
Tonight
71°F
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 71. North wind around 0 mph. Chance of precipitation is 30%.
7-day forecast for Sugar Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 27% |
| Saturday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 37% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 5 mph NE | 53% |
| Sunday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 36% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 36% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 52% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 52% |
| Tuesday | 85°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 64% |
| Tuesday Night | 67°F | Showers And Thunderstorms Likely | 5 to 10 mph E | 64% |
| Wednesday | 80°F | Chance Showers And Thunderstorms | 10 mph NE | 38% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 38% |
| Thursday | 79°F | Mostly Sunny | 5 to 10 mph NE | 9% |
| Thursday Night | 62°F | Partly Cloudy | 5 mph N | 9% |
| Friday | 80°F | Mostly Sunny | 5 mph NE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Sugar Hill (34.086, -84.034). Updated through the day.
Growing snapshot for Sugar Hill
Last spring frost
Apr 4
First fall frost
Nov 4
Growing season
214 days
Hardiness zone
8a
More local growing data for Sugar Hill: nearby ZIP 30518 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
Suwanee
Climate data from the nearest NOAA station, Cumming 2N, Ga (8.9 mi from Sugar Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.