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Charleston, MO Weather & Growing Conditions

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

Tonight
72°F
Mostly Clear
Mostly clear, with a low around 72. South wind around 1 mph.

7-day forecast for Charleston

WhenTempForecastWindPrecip
Tonight 72°F Mostly Clear 1 mph S 1%
Saturday 99°F Sunny 1 to 7 mph SW 1%
Saturday Night 72°F Mostly Clear 5 mph SSW 0%
Sunday 99°F Sunny 2 to 9 mph SW 1%
Sunday Night 72°F Partly Cloudy 5 mph NNW 3%
Monday 91°F Partly Sunny then Chance Showers And Thunderstorms 2 to 9 mph N 39%
Monday Night 66°F Chance Showers And Thunderstorms 5 to 9 mph N 39%
Tuesday 82°F Slight Chance Showers And Thunderstorms then Mostly Sunny 7 to 13 mph N 21%
Tuesday Night 60°F Partly Cloudy 6 to 14 mph N 8%
Wednesday 79°F Mostly Sunny 9 mph N 3%
Wednesday Night 59°F Partly Cloudy 5 to 9 mph NNE 1%
Thursday 79°F Sunny 5 to 9 mph NNE 3%
Thursday Night 60°F Partly Cloudy 3 to 7 mph NNE 3%
Friday 79°F Mostly Sunny 5 to 9 mph NNE 6%

Forecast source: National Weather Service (api.weather.gov) for Charleston (36.917, -89.334). Updated through the day.

Growing snapshot for Charleston

Last spring frost
Apr 2
First fall frost
Oct 31
Growing season
211 days
Hardiness zone
7b

More local growing data for Charleston: nearby ZIP 63834 weather · frost dates · planting calendar · Missouri frost dates

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Climate data from the nearest NOAA station, Cairo 3N, Il (10.1 mi from Charleston). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.