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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.

Overnight
75°F
Mostly Clear
Mostly clear, with a low around 75. South wind around 6 mph.

7-day forecast for Calhoun

WhenTempForecastWindPrecip
Overnight 75°F Mostly Clear 6 mph S 0%
Saturday 97°F Sunny 6 to 13 mph SSW 1%
Saturday Night 70°F Partly Cloudy then Chance Showers And Thunderstorms 1 to 7 mph WSW 36%
Sunday 87°F Chance Showers And Thunderstorms 1 to 5 mph NW 48%
Sunday Night 65°F Showers And Thunderstorms 5 mph N 83%
Monday 74°F Showers And Thunderstorms 5 to 9 mph NNE 83%
Monday Night 57°F Mostly Cloudy 5 to 8 mph NNE 10%
Tuesday 70°F Partly Sunny 9 mph NNE 4%
Tuesday Night 52°F Partly Cloudy 3 to 7 mph NNE 2%
Wednesday 73°F Mostly Sunny 6 mph NE 1%
Wednesday Night 54°F Partly Cloudy 3 mph ENE 2%
Thursday 77°F Mostly Sunny 3 mph ENE 9%
Thursday Night 58°F Slight Chance Rain Showers 2 mph ENE 15%
Friday 77°F Slight Chance Rain Showers 5 mph E 20%

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.