Atlanta, IL Weather & Growing Conditions
Overnight
70°F
Partly Cloudy
Partly cloudy, with a low around 70. Southeast wind around 9 mph, with gusts as high as 16 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Partly Cloudy | 9 mph SE | 10% |
| Saturday | 87°F | Slight Chance Showers And Thunderstorms | 8 mph SSE | 22% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 7 mph SSW | 40% |
| Sunday | 78°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 14 mph N | 69% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 16 mph NE | 66% |
| Monday | 67°F | Showers And Thunderstorms Likely | 16 mph ENE | 64% |
| Monday Night | 54°F | Chance Rain Showers | 13 to 17 mph NE | 46% |
| Tuesday | 65°F | Slight Chance Rain Showers | 15 mph NE | 22% |
| Tuesday Night | 51°F | Partly Cloudy | 8 to 15 mph NNE | 12% |
| Wednesday | 68°F | Mostly Sunny | 12 mph NNE | 3% |
| Wednesday Night | 53°F | Partly Cloudy | 6 to 12 mph NNE | 2% |
| Thursday | 70°F | Mostly Sunny | 9 mph NNE | 2% |
| Thursday Night | 55°F | Partly Cloudy | 5 to 8 mph NE | 2% |
| Friday | 73°F | Mostly Sunny | 6 to 9 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Atlanta, IL
Last spring frost
Apr 20
First fall frost
Oct 16
Growing season
179 days
Hardiness zone
6a
Explore more for Atlanta, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Lincoln, Il (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.