Harrisonburg, LA Weather & Growing Conditions
Today
95°F
Sunny
Sunny, with a high near 95. Heat index values as high as 99. North northeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny | 0 to 5 mph NNE | 8% |
| Tonight | 72°F | Mostly Clear | 0 to 5 mph ENE | 1% |
| Wednesday | 96°F | Mostly Sunny | 0 to 5 mph SW | 11% |
| Wednesday Night | 73°F | Partly Cloudy | 0 to 5 mph S | 4% |
| Thursday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 20% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms then Patchy Fog | 0 to 5 mph S | 20% |
| Friday | 95°F | Patchy Fog then Sunny | 0 to 5 mph SSE | 11% |
| Friday Night | 73°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 15% |
| Saturday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 17% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSE | 17% |
| Sunday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSE | 23% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 23% |
| Monday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 35% |
| Monday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 35% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrisonburg, LA
Last spring frost
Mar 6
First fall frost
Nov 22
Growing season
261 days
Hardiness zone
9a
Explore more for Harrisonburg, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Jonesville Locks, La (19.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.