Columbia, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Columbia, a city in Monroe County, Illinois.
Today
88°F
Sunny
Sunny, with a high near 88. South wind around 3 mph.
7-day forecast for Columbia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Sunny | 3 mph S | 0% |
| Tonight | 68°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 90°F | Sunny | 2 to 6 mph S | 7% |
| Wednesday Night | 71°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph S | 59% |
| Thursday | 87°F | Showers And Thunderstorms Likely | 5 mph S | 67% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 3 mph S | 42% |
| Friday | 88°F | Chance Showers And Thunderstorms | 3 mph SW | 42% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 3 mph S | 32% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 3 mph S | 32% |
| Saturday Night | 72°F | Mostly Clear | 6 mph S | 8% |
| Sunday | 92°F | Sunny | 7 mph S | 7% |
| Sunday Night | 73°F | Mostly Clear | 7 mph S | 5% |
| Monday | 93°F | Sunny | 7 mph SW | 5% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms | 8 mph SW | 15% |
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 Aug 4, 2026.