Decatur, GA Weather & Growing Conditions
Overnight
73°F
Partly Cloudy
Partly cloudy, with a low around 73. East wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Partly Cloudy | 0 mph | 2% |
| Saturday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 22% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph E | 32% |
| Sunday | 91°F | Mostly Sunny | 0 to 5 mph E | 9% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 16% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 29% |
| Monday Night | 71°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 58% |
| Tuesday | 87°F | Showers And Thunderstorms Likely | 5 mph E | 64% |
| Tuesday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 10 mph E | 64% |
| Wednesday | 81°F | Chance Rain Showers | 10 mph E | 39% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 10 mph E | 30% |
| Thursday | 80°F | Mostly Sunny | 5 to 10 mph NE | 11% |
| Thursday Night | 63°F | Partly Cloudy | 5 mph NE | 11% |
| Friday | 80°F | Mostly Sunny | 5 mph NE | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Decatur, GA
Last spring frost
Mar 25
First fall frost
Nov 9
Growing season
228 days
Hardiness zone
8a
Explore more for Decatur, GA: full frost dates · planting calendar · Georgia frost dates
Climate data from the nearest NOAA station, Atlanta Peachtree Ap, Ga (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.