Columbia, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Columbia, a city in Monroe County, Illinois.
Tonight
56°F
Rain
Rain and a slight chance of thunderstorms before 2am, then a slight chance of drizzle between 2am and 5am. Cloudy, with a low around 56. Southwest wind 7 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
7-day forecast for Columbia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Rain | 7 to 15 mph SW | 89% |
| Wednesday | 64°F | Mostly Cloudy | 6 to 13 mph W | 5% |
| Wednesday Night | 45°F | Partly Cloudy | 6 mph SW | 0% |
| Thursday | 67°F | Sunny | 5 to 8 mph W | 1% |
| Thursday Night | 46°F | Mostly Cloudy | 5 mph NW | 11% |
| Friday | 58°F | Partly Sunny | 5 to 9 mph NW | 5% |
| Friday Night | 41°F | Partly Cloudy | 2 to 6 mph N | 1% |
| Saturday | 57°F | Partly Sunny | 3 mph NW | 0% |
| Saturday Night | 38°F | Partly Cloudy | 2 mph NW | 0% |
| Sunday | 62°F | Sunny | 2 to 6 mph W | 8% |
| Sunday Night | 38°F | Mostly Clear | 5 mph W | 5% |
| Monday | 67°F | Sunny | 2 to 6 mph SW | 2% |
| Monday Night | 42°F | Mostly Clear | 3 mph SW | 1% |
| Tuesday | 69°F | Sunny | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Columbia (38.458, -90.216). Updated through the day.
Growing snapshot for Columbia
Last spring frost
Apr 6
First fall frost
Oct 27
Growing season
203 days
Hardiness zone
7a
More local growing data for Columbia: nearby ZIP 62236 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cahokia, Il (9.2 mi from Columbia). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.