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Atlanta, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Atlanta, a city in Logan County, Illinois.

Tonight
69°F
Partly Cloudy
Partly cloudy, with a low around 69. Southeast wind around 10 mph, with gusts as high as 18 mph.

7-day forecast for Atlanta

WhenTempForecastWindPrecip
Tonight 69°F Partly Cloudy 10 mph SE 9%
Saturday 88°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 9 mph S 19%
Saturday Night 68°F Chance Showers And Thunderstorms 8 mph SSE 33%
Sunday 81°F Showers And Thunderstorms Likely 5 to 15 mph NNE 62%
Sunday Night 59°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 13 to 17 mph NE 63%
Monday 68°F Showers And Thunderstorms Likely 14 to 17 mph ENE 63%
Monday Night 54°F Chance Showers And Thunderstorms 14 to 18 mph NE 49%
Tuesday 66°F Chance Rain Showers then Mostly Cloudy 15 mph NE 27%
Tuesday Night 51°F Mostly Cloudy 8 to 15 mph NNE 6%
Wednesday 69°F Partly Sunny 12 mph NNE 3%
Wednesday Night 53°F Partly Cloudy 5 to 10 mph NNE 2%
Thursday 70°F Mostly Sunny 6 to 9 mph NNE 2%
Thursday Night 55°F Partly Cloudy 5 to 8 mph NNE 4%
Friday 73°F Mostly Sunny 6 to 9 mph NNE 4%

Forecast source: National Weather Service (api.weather.gov) for Atlanta (40.264, -89.231). Updated through the day.

Growing snapshot for Atlanta

Last spring frost
Apr 20
First fall frost
Oct 16
Growing season
179 days
Hardiness zone
6a

More local growing data for Atlanta: nearby ZIP 61723 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Lincoln, Il (8.5 mi from Atlanta). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.