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Calhoun, MO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Calhoun, a city in Henry County, Missouri.

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 for Calhoun

WhenTempForecastWindPrecip
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) 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

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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 Sep 19, 2026.