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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.