Duluth, GA Weather & Growing Conditions
This Afternoon
93°F
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 100. Northeast wind around 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 93°F | Slight Chance Showers And Thunderstorms | 5 mph NE | 22% |
| Tonight | 70°F | Chance Showers And Thunderstorms | 5 mph E | 33% |
| Sunday | 90°F | Mostly Sunny | 0 to 5 mph E | 8% |
| 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 | 86°F | Showers And Thunderstorms Likely | 5 mph E | 68% |
| Tuesday Night | 67°F | Showers And Thunderstorms Likely | 5 to 10 mph E | 68% |
| Wednesday | 79°F | Chance Rain Showers | 10 mph E | 38% |
| Wednesday Night | 62°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 | 61°F | Partly Cloudy | 5 mph NE | 13% |
| Friday | 80°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). Updated through the day.
Growing snapshot for Duluth, GA
Last spring frost
Mar 25
First fall frost
Nov 9
Growing season
228 days
Hardiness zone
8a
Explore more for Duluth, GA: full frost dates · planting calendar · Georgia frost dates
Climate data from the nearest NOAA station, Atlanta Peachtree Ap, Ga (13.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.