Madisonville, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Madisonville, a town in St. Tammany County, Louisiana.
Overnight
66°F
Patchy Fog
Patchy fog after 3am. Mostly cloudy. Low around 66, with temperatures rising to around 69 overnight. South wind around 0 mph.
7-day forecast for Madisonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Patchy Fog | 0 mph | 5% |
| Wednesday | 81°F | Patchy Fog then Mostly Sunny | 0 to 5 mph W | 29% |
| Wednesday Night | 54°F | Mostly Clear | 0 to 5 mph N | 0% |
| Thursday | 81°F | Sunny | 0 to 5 mph S | 0% |
| Thursday Night | 59°F | Mostly Clear | 0 to 5 mph NW | 3% |
| Friday | 81°F | Mostly Sunny | 5 mph N | 3% |
| Friday Night | 52°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 76°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Saturday Night | 46°F | Partly Cloudy | 5 mph N | 2% |
| Sunday | 69°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph N | 15% |
| Sunday Night | 43°F | Partly Cloudy | 5 mph N | 5% |
| Monday | 72°F | Sunny | 5 mph N | 6% |
| Monday Night | 44°F | Mostly Clear | 0 to 5 mph N | 4% |
| Tuesday | 74°F | Sunny | 0 to 5 mph NE | 5% |
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 Nov 4, 2026.