South Carthage, TN Weather & Growing Conditions
Tonight
70°F
Mostly Clear
Mostly clear, with a low around 70. Heat index values as high as 98. East wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Mostly Clear | 0 mph | 12% |
| Saturday | 97°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 15% |
| Saturday Night | 71°F | Partly Cloudy | 0 to 5 mph SSE | 10% |
| Sunday | 97°F | Mostly Sunny | 5 mph SW | 6% |
| Sunday Night | 70°F | Partly Cloudy | 0 to 5 mph S | 6% |
| Monday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 33% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 0 to 5 mph ESE | 49% |
| Tuesday | 88°F | Showers And Thunderstorms Likely | 0 to 5 mph W | 61% |
| Tuesday Night | 64°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 61% |
| Wednesday | 82°F | Chance Rain Showers | 0 to 5 mph N | 35% |
| Wednesday Night | 60°F | Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 29% |
| Thursday | 80°F | Mostly Sunny | 0 to 5 mph N | 14% |
| Thursday Night | 59°F | Partly Cloudy | 0 to 5 mph NNE | 9% |
| Friday | 80°F | Mostly Sunny | 0 to 10 mph NNE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for South Carthage, TN
Last spring frost
Apr 10
First fall frost
Oct 29
Growing season
201 days
Hardiness zone
7b
Explore more for South Carthage, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Carthage, Tn (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.