Columbia, IL Weather & Growing Conditions
Overnight
73°F
Partly Cloudy
Partly cloudy, with a low around 73. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Partly Cloudy | 5 mph S | 7% |
| Saturday | 98°F | Mostly Sunny | 3 to 7 mph SW | 6% |
| Saturday Night | 74°F | Partly Cloudy | 5 mph S | 0% |
| Sunday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 mph W | 16% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 6 mph N | 54% |
| Monday | 82°F | Showers And Thunderstorms Likely | 5 to 9 mph N | 67% |
| Monday Night | 61°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 6 to 9 mph N | 67% |
| Tuesday | 72°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph N | 22% |
| Tuesday Night | 55°F | Mostly Cloudy | 5 to 10 mph N | 6% |
| Wednesday | 75°F | Mostly Sunny | 8 mph N | 2% |
| Wednesday Night | 56°F | Partly Cloudy | 2 to 7 mph N | 1% |
| Thursday | 75°F | Mostly Sunny | 3 to 7 mph N | 3% |
| Thursday Night | 58°F | Partly Cloudy | 6 mph N | 3% |
| Friday | 77°F | Mostly Sunny | 3 to 7 mph N | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Columbia, IL
Last spring frost
Apr 6
First fall frost
Oct 27
Growing season
203 days
Hardiness zone
7a
Explore more for Columbia, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Cahokia, Il (9.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.