Calhoun, MO Weather & Growing Conditions
Tonight
75°F
Partly Cloudy
Partly cloudy, with a low around 75. Heat index values as high as 96. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 75°F | Partly Cloudy | 5 mph S | 2% |
| Saturday | 97°F | Sunny | 6 to 12 mph SSW | 1% |
| Saturday Night | 71°F | Mostly Cloudy then Chance Showers And Thunderstorms | 2 to 7 mph SW | 39% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 5 mph WSW | 40% |
| Sunday Night | 65°F | Showers And Thunderstorms Likely | 5 mph NNE | 73% |
| Monday | 76°F | Showers And Thunderstorms Likely | 3 to 8 mph NNE | 73% |
| Monday Night | 58°F | Mostly Cloudy | 5 to 8 mph NNE | 14% |
| Tuesday | 71°F | Partly Sunny | 8 mph NNE | 6% |
| Tuesday Night | 52°F | Mostly Cloudy | 2 to 7 mph NNE | 2% |
| Wednesday | 74°F | Mostly Sunny | 6 mph NE | 1% |
| Wednesday Night | 54°F | Partly Cloudy | 3 mph NE | 3% |
| Thursday | 76°F | Mostly Sunny | 1 to 5 mph ENE | 5% |
| Thursday Night | 58°F | Mostly Cloudy | 3 mph ENE | 7% |
| Friday | 77°F | Mostly Sunny | 5 mph E | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Calhoun, MO
Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
191 days
Hardiness zone
6b
Explore more for Calhoun, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Windsor, Mo (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.