Charleston, TN Weather & Growing Conditions
This Afternoon
72°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 72, with temperatures falling to around 69 in the afternoon. South wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Showers And Thunderstorms | 5 to 10 mph S | 95% |
| Tonight | 60°F | Showers And Thunderstorms | 0 to 5 mph SW | 93% |
| Thursday | 75°F | Partly Sunny | 0 to 5 mph W | 4% |
| Thursday Night | 49°F | Partly Cloudy | 0 mph | 4% |
| Friday | 72°F | Sunny | 0 to 5 mph N | 4% |
| Friday Night | 42°F | Mostly Clear | 0 to 5 mph N | 1% |
| Saturday | 63°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 62°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 32°F | Mostly Clear | 0 mph | 1% |
| Monday | 64°F | Sunny | 0 to 5 mph N | 1% |
| Monday Night | 33°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 68°F | Sunny | 0 mph | 2% |
| Tuesday Night | 36°F | Mostly Clear | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Charleston, TN
Last spring frost
Apr 6
First fall frost
Oct 30
Growing season
206 days
Hardiness zone
7b
Explore more for Charleston, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Cleveland Fltr Plt, Tn (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.