South Pittsburg, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Pittsburg, a city in Marion County, Tennessee.
This Afternoon
75°F
Mostly Cloudy
Mostly cloudy. High near 75, with temperatures falling to around 71 in the afternoon. Southeast wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for South Pittsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Mostly Cloudy | 15 mph SE | 2% |
| Tonight | 64°F | Chance Showers And Thunderstorms | 10 mph SE | 82% |
| Wednesday | 73°F | Showers And Thunderstorms | 5 to 10 mph S | 97% |
| Wednesday Night | 58°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph W | 19% |
| Thursday | 75°F | Mostly Sunny | 0 to 5 mph W | 5% |
| Thursday Night | 50°F | Partly Cloudy | 0 mph | 2% |
| Friday | 73°F | Sunny | 0 to 10 mph NW | 2% |
| Friday Night | 45°F | Mostly Clear | 5 mph NW | 0% |
| Saturday | 65°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 40°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Sunday | 65°F | Mostly Sunny | 0 to 5 mph N | 6% |
| Sunday Night | 38°F | Mostly Clear | 0 to 5 mph NW | 7% |
| Monday | 66°F | Sunny | 0 to 5 mph NW | 2% |
| Monday Night | 38°F | Mostly Clear | 0 to 5 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for South Pittsburg (35.011, -85.718). Updated through the day.
Growing snapshot for South Pittsburg
Last spring frost
Apr 7
First fall frost
Oct 31
Growing season
208 days
Hardiness zone
7b
More local growing data for South Pittsburg: nearby ZIP 37380 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Griffith Creek
Jasper
Kimball
Monteagle
New Hope
Powells Crossroads
Sequatchie
Signal Mountain
Whiteside
Whitwell
Climate data from the nearest NOAA station, Bridgeport 5 Nw, Al (6.9 mi from South Pittsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.