Calhoun, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calhoun, a city in Henry County, Missouri.
Overnight
68°F
Mostly Clear
Mostly clear, with a low around 68. South southeast wind around 3 mph.
7-day forecast for Calhoun
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Mostly Clear | 3 mph SSE | 0% |
| Tuesday | 92°F | Sunny | 2 to 6 mph S | 0% |
| Tuesday Night | 73°F | Partly Cloudy | 3 mph SE | 8% |
| Wednesday | 91°F | Chance Showers And Thunderstorms | 6 mph S | 28% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 5 mph NE | 77% |
| Thursday | 88°F | Showers And Thunderstorms | 3 mph SSW | 77% |
| Thursday Night | 69°F | Partly Cloudy then Chance Showers And Thunderstorms | 0 to 3 mph SSE | 33% |
| Friday | 89°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 3 mph SSW | 33% |
| Friday Night | 71°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 2 mph SSE | 21% |
| Saturday | 91°F | Slight Chance Showers And Thunderstorms then Sunny | 3 to 7 mph SSW | 21% |
| Saturday Night | 74°F | Mostly Clear | 6 mph S | 4% |
| Sunday | 93°F | Sunny | 6 to 10 mph SSW | 2% |
| Sunday Night | 74°F | Mostly Clear | 7 mph S | 2% |
| Monday | 94°F | Sunny | 7 to 12 mph SSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Calhoun (38.468, -93.624). Updated through the day.
Growing snapshot for Calhoun
Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
191 days
Hardiness zone
6b
More local growing data for Calhoun: nearby ZIP 65323 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Windsor, Mo (7.2 mi from Calhoun). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.