Caledonia, MO Weather & Growing Conditions
Tonight
49°F
Mostly Cloudy then Slight Chance Light Rain
A slight chance of rain between midnight and 1am, then a slight chance of drizzle between 1am and 4am. Mostly cloudy, with a low around 49. Southwest wind around 8 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Mostly Cloudy then Slight Chance Light Rain | 8 mph SW | 16% |
| Wednesday | 64°F | Partly Sunny | 5 to 9 mph W | 2% |
| Wednesday Night | 39°F | Mostly Clear | 3 mph SW | 0% |
| Thursday | 68°F | Sunny | 2 to 6 mph W | 2% |
| Thursday Night | 40°F | Mostly Cloudy | 2 mph NW | 13% |
| Friday | 59°F | Partly Sunny | 2 to 7 mph NW | 3% |
| Friday Night | 36°F | Mostly Cloudy | 0 to 5 mph N | 3% |
| Saturday | 58°F | Partly Sunny | 0 to 3 mph N | 0% |
| Saturday Night | 33°F | Partly Cloudy | 1 mph N | 2% |
| Sunday | 64°F | Sunny | 0 to 5 mph NW | 6% |
| Sunday Night | 33°F | Mostly Clear | 2 mph NW | 4% |
| Monday | 68°F | Sunny | 1 to 6 mph W | 1% |
| Monday Night | 37°F | Mostly Clear | 0 to 3 mph SW | 1% |
| Tuesday | 71°F | Sunny | 0 to 3 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Caledonia, MO
Last spring frost
Apr 11
First fall frost
Oct 28
Growing season
198 days
Hardiness zone
6b
Explore more for Caledonia, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Potosi 4 Sw, Mo (10.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.