Madisonville, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Madisonville, a town in St. Tammany County, Louisiana.
Tonight
73°F
Clear
Clear, with a low around 73. Southwest wind 0 to 5 mph.
7-day forecast for Madisonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Clear | 0 to 5 mph SW | 1% |
| Sunday | 94°F | Sunny | 0 to 5 mph SW | 7% |
| Sunday Night | 74°F | Mostly Clear | 0 mph | 9% |
| Monday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 22% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 22% |
| Tuesday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 19% |
| Tuesday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph N | 19% |
| Wednesday | 94°F | Sunny | 0 to 5 mph NE | 6% |
| Wednesday Night | 73°F | Mostly Clear | 0 to 5 mph NE | 6% |
| Thursday | 92°F | Sunny | 5 to 10 mph NE | 2% |
| Thursday Night | 71°F | Mostly Clear | 0 to 5 mph NE | 2% |
| Friday | 90°F | Sunny | 5 to 10 mph NE | 1% |
| Friday Night | 70°F | Mostly Clear | 0 to 5 mph NE | 1% |
| Saturday | 90°F | Sunny | 5 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Madisonville (30.398, -90.166). Updated through the day.
Growing snapshot for Madisonville
Last spring frost
Mar 12
First fall frost
Nov 18
Growing season
253 days
Hardiness zone
9a
More local growing data for Madisonville: nearby ZIP 70447 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Covington 4 Nnw, La (9.3 mi from Madisonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.