Harman US

Charleston, MO Weather & Growing Conditions

Overnight
72°F
Mostly Clear
Mostly clear. Low around 72, with temperatures rising to around 74 overnight. South southeast wind around 1 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 72°F Mostly Clear 1 mph SSE 1%
Saturday 98°F Sunny 1 to 7 mph WSW 1%
Saturday Night 72°F Mostly Clear 5 mph SSW 0%
Sunday 98°F Sunny 2 to 9 mph SW 1%
Sunday Night 72°F Partly Cloudy 5 mph NNW 3%
Monday 92°F Partly Sunny then Chance Showers And Thunderstorms 2 to 9 mph N 38%
Monday Night 66°F Chance Showers And Thunderstorms 5 to 9 mph N 38%
Tuesday 82°F Slight Chance Showers And Thunderstorms then Mostly Sunny 7 to 13 mph N 22%
Tuesday Night 61°F Partly Cloudy 6 to 15 mph N 7%
Wednesday 80°F Mostly Sunny 9 mph N 3%
Wednesday Night 59°F Mostly Clear 5 to 9 mph NNE 2%
Thursday 80°F Mostly Sunny 5 to 9 mph NNE 3%
Thursday Night 61°F Partly Cloudy 3 to 8 mph NNE 3%
Friday 80°F Mostly Sunny 5 to 9 mph NNE 6%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Charleston, MO

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

Explore more for Charleston, MO: full frost dates · planting calendar · Missouri frost dates

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