Columbus, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Columbus, a village in Adams County, Illinois.
Tonight
70°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 4am and 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. West wind around 5 mph. Chance of precipitation is 30%.
7-day forecast for Columbus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph W | 25% |
| Sunday | 79°F | Showers And Thunderstorms Likely | 3 to 9 mph N | 62% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 8 to 12 mph NE | 84% |
| Monday | 67°F | Showers And Thunderstorms | 10 mph NE | 84% |
| Monday Night | 56°F | Rain Showers Likely | 9 mph NE | 74% |
| Tuesday | 64°F | Slight Chance Rain Showers | 10 mph NE | 21% |
| Tuesday Night | 51°F | Mostly Cloudy | 5 to 9 mph N | 9% |
| Wednesday | 67°F | Partly Sunny | 7 mph N | 1% |
| Wednesday Night | 53°F | Partly Cloudy | 2 to 6 mph NE | 1% |
| Thursday | 70°F | Partly Sunny | 5 mph NE | 2% |
| Thursday Night | 58°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph NE | 15% |
| Friday | 74°F | Slight Chance Rain Showers | 2 to 6 mph NE | 16% |
| Friday Night | 59°F | Partly Cloudy | 5 mph NE | 9% |
| Saturday | 76°F | Mostly Sunny | 5 mph E | 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
Adams
Bloomfield
Burton
Camp Point
Clayton
Coatsburg
Fall Creek
Fowler
Golden
Kingston
La Prairie
Liberty
Lima
Loraine
Marcelline
Mendon
Paloma
Payson
Plainville
Quincy
Richfield
Ursa
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 20, 2026.