Columbia, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Columbia, a city in Monroe County, Illinois.
This Afternoon
74°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 74, with temperatures falling to around 67 in the afternoon. South wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
7-day forecast for Columbia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Rain | 17 mph S | 91% |
| Tonight | 53°F | Rain | 7 to 16 mph S | 95% |
| 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% |
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.