Charleston, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Charleston, a city in Mississippi County, Missouri.
This Afternoon
65°F
Partly Sunny
Partly sunny. High near 65, with temperatures falling to around 59 in the afternoon. West southwest wind 6 to 10 mph.
7-day forecast for Charleston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Partly Sunny | 6 to 10 mph WSW | 0% |
| Tonight | 46°F | Partly Cloudy then Patchy Fog | 1 to 6 mph SW | 0% |
| Thursday | 67°F | Patchy Fog then Sunny | 1 to 8 mph SW | 1% |
| Thursday Night | 44°F | Mostly Clear | 3 mph WNW | 0% |
| Friday | 59°F | Partly Sunny | 3 to 10 mph N | 0% |
| Friday Night | 35°F | Mostly Clear | 3 to 8 mph N | 0% |
| Saturday | 56°F | Sunny | 6 mph N | 0% |
| Saturday Night | 32°F | Mostly Clear | 2 mph N | 0% |
| Sunday | 59°F | Sunny | 0 to 5 mph NNW | 0% |
| Sunday Night | 34°F | Mostly Clear | 0 mph | 0% |
| Monday | 63°F | Sunny | 0 to 3 mph WSW | 0% |
| Monday Night | 36°F | Mostly Clear | 1 mph W | 1% |
| Tuesday | 65°F | Sunny | 0 to 5 mph WNW | 0% |
| Tuesday Night | 39°F | Mostly Clear | 1 mph WNW | 1% |
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
Nearby towns & communities
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 Nov 4, 2026.