Charleston, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Charleston, a city in Franklin County, Arkansas.
Today
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 103. Southeast wind around 5 mph.
7-day forecast for Charleston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 5 mph SE | 0% |
| Tonight | 73°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 100°F | Sunny | 5 mph SE | 4% |
| Wednesday Night | 75°F | Partly Cloudy | 5 mph SE | 7% |
| Thursday | 100°F | Mostly Sunny | 0 to 5 mph S | 14% |
| Thursday Night | 75°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 27% |
| Friday | 96°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 40% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 40% |
| Saturday | 96°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 16% |
| Saturday Night | 74°F | Mostly Clear | 0 to 5 mph SE | 13% |
| Sunday | 97°F | Sunny | 0 to 10 mph S | 8% |
| Sunday Night | 75°F | Mostly Clear | 5 to 10 mph SE | 8% |
| Monday | 97°F | Sunny | 0 to 10 mph S | 10% |
| Monday Night | 75°F | Mostly Clear | 5 to 10 mph S | 10% |
Forecast source: National Weather Service (api.weather.gov) for Charleston (35.295, -94.048). Updated through the day.
Growing snapshot for Charleston
Last spring frost
Mar 30
First fall frost
Nov 6
Growing season
222 days
Hardiness zone
8a
More local growing data for Charleston: nearby ZIP 72933 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ozark 2, Ar (15.1 mi from Charleston). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.