Duluth, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Duluth, a city in Fulton County, Georgia.
Today
94°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 94. Heat index values as high as 100. Northeast wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Duluth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 5 mph NE | 22% |
| Tonight | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph E | 33% |
| Sunday | 91°F | Mostly Sunny | 0 to 5 mph NE | 7% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 25% |
| Monday | 92°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 | 63% |
| Tuesday | 86°F | Showers And Thunderstorms Likely | 5 mph E | 68% |
| Tuesday Night | 68°F | Showers And Thunderstorms Likely | 5 to 10 mph E | 68% |
| Wednesday | 79°F | Chance Rain Showers | 10 mph E | 38% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms then Partly Cloudy | 10 to 15 mph E | 28% |
| Thursday | 79°F | Mostly Sunny | 5 to 10 mph NE | 13% |
| Thursday Night | 62°F | Partly Cloudy | 5 mph NE | 13% |
| Friday | 80°F | Mostly Sunny | 5 mph NE | 9% |
| Friday Night | 60°F | Partly Cloudy | 5 mph NE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Duluth (34.002, -84.150). Updated through the day.
Growing snapshot for Duluth
Last spring frost
Mar 25
First fall frost
Nov 9
Growing season
228 days
Hardiness zone
8a
More local growing data for Duluth: nearby ZIP 30097 weather · frost dates · planting calendar · Georgia frost dates
Nearby towns & communities
Alpharetta
Atlanta
Chattahoochee Hills
College Park
East Point
Fairburn
Hapeville
Johns Creek
Milton
Mountain Park
Palmetto
Roswell
Sandy Springs
South Fulton
Union City
Climate data from the nearest NOAA station, Atlanta Peachtree Ap, Ga (13.8 mi from Duluth). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.