St. Joseph, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Joseph, a city in Lawrence County, Tennessee.
Overnight
61°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 61. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for St. Joseph
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Showers And Thunderstorms | 10 to 15 mph SSE | 94% |
| Wednesday | 73°F | Showers And Thunderstorms | 5 to 15 mph SW | 93% |
| Wednesday Night | 46°F | Areas Of Fog | 0 mph | 0% |
| Thursday | 71°F | Areas Of Fog then Mostly Sunny | 0 mph | 0% |
| Thursday Night | 44°F | Areas Of Fog | 0 mph | 1% |
| Friday | 70°F | Patchy Fog then Sunny | 0 to 10 mph NNW | 0% |
| Friday Night | 40°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 60°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 59°F | Mostly Sunny | 5 mph N | 0% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph N | 0% |
| Monday | 63°F | Sunny | 0 to 5 mph NNW | 0% |
| Monday Night | 35°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 67°F | Sunny | 0 to 5 mph WNW | 1% |
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 Nov 4, 2026.