Franklin, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Franklin, a city in St. Mary County, Louisiana.
This Afternoon
81°F
Mostly Sunny
Mostly sunny. High near 81, with temperatures falling to around 77 in the afternoon. South wind 5 to 10 mph.
7-day forecast for Franklin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Mostly Sunny | 5 to 10 mph S | 5% |
| Tonight | 66°F | Patchy Fog | 0 to 5 mph SW | 24% |
| Wednesday | 77°F | Mostly Sunny | 5 mph NW | 10% |
| Wednesday Night | 55°F | Mostly Clear | 0 mph | 1% |
| Thursday | 79°F | Sunny | 0 to 5 mph NW | 5% |
| Thursday Night | 59°F | Chance Rain Showers | 0 mph | 34% |
| Friday | 78°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 36% |
| Friday Night | 54°F | Partly Cloudy | 0 to 5 mph N | 4% |
| Saturday | 74°F | Mostly Sunny | 5 to 10 mph N | 8% |
| Saturday Night | 48°F | Slight Chance Rain Showers | 5 mph N | 16% |
| Sunday | 69°F | Mostly Sunny | 5 to 10 mph N | 9% |
| Sunday Night | 46°F | Mostly Clear | 5 mph N | 4% |
| Monday | 70°F | Sunny | 5 to 10 mph N | 4% |
| Monday Night | 45°F | Mostly Clear | 0 to 5 mph N | 2% |
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 Nov 4, 2026.