South Pittsburg, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Pittsburg, a city in Marion County, Tennessee.
Today
87°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms likely between 1pm and 2pm, then showers and thunderstorms likely. Mostly sunny. High near 87, with temperatures falling to around 84 in the afternoon. Heat index values as high as 95. Northeast wind around 0 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for South Pittsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Chance Showers And Thunderstorms | 0 mph | 58% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 44% |
| Wednesday | 86°F | Chance Showers And Thunderstorms | 0 mph | 69% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 48% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 41% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 41% |
| Friday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 37% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 37% |
| Saturday | 88°F | Slight Chance Showers And Thunderstorms | 0 mph | 67% |
| Saturday Night | 71°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 67% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 0 mph | 53% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 53% |
| Monday | 88°F | Chance Showers And Thunderstorms | 0 mph | 49% |
| Monday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 49% |
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 Aug 4, 2026.