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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
54°F
Rain
Rain before 4am, then a slight chance of rain showers. Mostly cloudy, with a low around 54. South southwest wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast for Atlanta

WhenTempForecastWindPrecip
Tonight 54°F Rain 14 to 17 mph SSW 90%
Wednesday 60°F Slight Chance Rain Showers then Mostly Cloudy 16 mph SW 17%
Wednesday Night 45°F Mostly Cloudy 13 mph SW 1%
Thursday 60°F Mostly Sunny 10 to 15 mph WSW 6%
Thursday Night 43°F Mostly Cloudy then Slight Chance Light Rain 6 to 9 mph NW 23%
Friday 55°F Slight Chance Light Rain then Mostly Cloudy 12 mph NNW 16%
Friday Night 36°F Partly Cloudy 3 to 10 mph N 7%
Saturday 54°F Mostly Sunny 6 mph NW 2%
Saturday Night 34°F Partly Cloudy 3 mph W 3%
Sunday 60°F Sunny 3 to 10 mph WNW 12%
Sunday Night 35°F Mostly Clear 5 to 8 mph W 6%
Monday 64°F Sunny 5 to 13 mph SW 2%
Monday Night 40°F Mostly Clear 5 to 9 mph WSW 2%
Tuesday 66°F Sunny 5 to 8 mph W 1%

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 Nov 4, 2026.