Harrisonburg, LA Weather & Growing Conditions
Today
95°F
Sunny
Sunny, with a high near 95. Heat index values as high as 100. North northeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny | 0 to 5 mph NNE | 6% |
| Tonight | 73°F | Mostly Clear | 0 to 5 mph E | 0% |
| Wednesday | 96°F | Mostly Sunny | 0 to 5 mph SSW | 12% |
| Wednesday Night | 74°F | Mostly Clear | 0 to 5 mph S | 3% |
| Thursday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 20% |
| Thursday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 20% |
| Friday | 95°F | Patchy Fog then Sunny | 0 to 5 mph SSE | 13% |
| Friday Night | 74°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 S | 19% |
| Saturday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 19% |
| Sunday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 23% |
| Sunday Night | 74°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 | 34% |
| Monday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrisonburg, LA
Last spring frost
Mar 10
First fall frost
Nov 16
Growing season
250 days
Hardiness zone
8b
Explore more for Harrisonburg, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Winnsboro 5 Sse, La (17.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.