St. Joseph, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Joseph, a city in Lawrence County, Tennessee.
Tonight
72°F
Mostly Clear
Mostly clear, with a low around 72. Northwest wind around 0 mph.
7-day forecast for St. Joseph
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Mostly Clear | 0 mph | 6% |
| Saturday | 97°F | Sunny | 0 to 5 mph NW | 7% |
| Saturday Night | 71°F | Mostly Clear | 0 mph | 4% |
| Sunday | 96°F | Sunny | 0 to 5 mph SW | 5% |
| Sunday Night | 71°F | Partly Cloudy | 0 mph | 5% |
| Monday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 32% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 0 mph | 37% |
| Tuesday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NNE | 47% |
| Tuesday Night | 65°F | Chance Showers And Thunderstorms | 5 mph NNE | 47% |
| Wednesday | 84°F | Slight Chance Rain Showers | 5 mph N | 19% |
| Wednesday Night | 61°F | Slight Chance Rain Showers then Mostly Clear | 5 mph NNE | 19% |
| Thursday | 82°F | Mostly Sunny | 5 mph NNE | 7% |
| Thursday Night | 60°F | Partly Cloudy | 0 to 5 mph NNE | 7% |
| Friday | 82°F | Mostly Sunny | 5 to 10 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for St. Joseph (35.033, -87.501). Updated through the day.
Growing snapshot for St. Joseph
Last spring frost
Mar 29
First fall frost
Nov 4
Growing season
219 days
Hardiness zone
7b
More local growing data for St. Joseph: nearby ZIP 38481 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lexington, Al (8 mi from St. Joseph). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.