South Fulton, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Fulton, a city in Obion County, Tennessee.
Today
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 101. West wind around 5 mph.
7-day forecast for South Fulton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 5 mph W | 1% |
| Tonight | 71°F | Mostly Clear | 0 to 5 mph SSW | 1% |
| Sunday | 99°F | Mostly Sunny | 0 to 10 mph SW | 1% |
| Sunday Night | 71°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Monday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 10 mph N | 31% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 5 to 10 mph NNE | 37% |
| Tuesday | 83°F | Chance Showers And Thunderstorms | 5 to 15 mph N | 36% |
| Tuesday Night | 60°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 15 mph N | 15% |
| Wednesday | 81°F | Mostly Sunny | 5 to 10 mph N | 6% |
| Wednesday Night | 58°F | Partly Cloudy | 5 to 10 mph NNE | 2% |
| Thursday | 81°F | Mostly Sunny | 5 to 10 mph NNE | 2% |
| Thursday Night | 58°F | Partly Cloudy | 5 to 10 mph NNE | 3% |
| Friday | 81°F | Mostly Sunny | 5 to 10 mph NNE | 4% |
| Friday Night | 58°F | Partly Cloudy | 5 to 10 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for South Fulton (36.493, -88.884). Updated through the day.
Growing snapshot for South Fulton
Last spring frost
Apr 4
First fall frost
Oct 28
Growing season
204 days
Hardiness zone
7b
More local growing data for South Fulton: nearby ZIP 38257 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Martin U Of T Branch E, Tn (8.4 mi from South Fulton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.