Franklin, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Franklin, a city in St. Mary County, Louisiana.
Today
93°F
Sunny
Sunny, with a high near 93. Heat index values as high as 103. East wind around 5 mph.
7-day forecast for Franklin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Sunny | 5 mph E | 2% |
| Tonight | 74°F | Mostly Clear | 0 to 5 mph S | 2% |
| Sunday | 93°F | Sunny | 0 to 5 mph E | 10% |
| Sunday Night | 75°F | Mostly Clear | 0 to 5 mph S | 13% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 27% |
| Monday Night | 75°F | Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 27% |
| Tuesday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 20% |
| Tuesday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph E | 20% |
| Wednesday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph NE | 16% |
| Wednesday Night | 73°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph NE | 16% |
| Thursday | 91°F | Sunny | 5 to 10 mph NE | 12% |
| Thursday Night | 71°F | Mostly Clear | 0 to 5 mph NE | 12% |
| Friday | 91°F | Sunny | 5 to 10 mph NE | 7% |
| Friday Night | 70°F | Mostly Clear | 0 to 5 mph E | 7% |
Forecast source: National Weather Service (api.weather.gov) for Franklin (29.785, -91.510). Updated through the day.
Growing snapshot for Franklin
Last spring frost
Feb 11
First fall frost
Dec 8
Growing season
303 days
Hardiness zone
9b
More local growing data for Franklin: nearby ZIP 70538 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Franklin 3 Nw, La (3.6 mi from Franklin). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.