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Columbus, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Columbus, a village in Adams County, Illinois.

Today
91°F
Mostly Cloudy
Mostly cloudy, with a high near 91. Southwest wind 6 to 9 mph.

7-day forecast for Columbus

WhenTempForecastWindPrecip
Today 91°F Mostly Cloudy 6 to 9 mph SW 5%
Tonight 70°F Mostly Cloudy then Slight Chance Showers And Thunderstorms 5 mph SW 57%
Sunday 79°F Chance Showers And Thunderstorms 3 to 10 mph NW 53%
Sunday Night 62°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 12 mph NE 72%
Monday 67°F Showers And Thunderstorms Likely 12 mph NE 72%
Monday Night 56°F Chance Rain Showers 10 mph NE 33%
Tuesday 64°F Chance Rain Showers 12 mph NE 27%
Tuesday Night 51°F Partly Cloudy 5 to 9 mph NE 4%
Wednesday 68°F Mostly Sunny 8 mph NE 0%
Wednesday Night 54°F Partly Cloudy 3 to 7 mph NE 1%
Thursday 71°F Mostly Sunny 6 mph NE 4%
Thursday Night 56°F Partly Cloudy 5 mph NE 5%
Friday 73°F Partly Sunny 3 to 7 mph NE 8%
Friday Night 57°F Partly Cloudy 6 mph NE 7%

Forecast source: National Weather Service (api.weather.gov) for Columbus (39.986, -91.145). Updated through the day.

Growing snapshot for Columbus

Last spring frost
Apr 14
First fall frost
Oct 23
Growing season
191 days
Hardiness zone
6a

More local growing data for Columbus: nearby ZIP 62325 weather · frost dates · planting calendar · Illinois frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Quincy Rgnl Ap, Il (7.7 mi from Columbus). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.