Harrisonburg, LA Weather & Growing Conditions
Today
76°F
Mostly Sunny
Mostly sunny. High near 76, with temperatures falling to around 72 in the afternoon. North northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Mostly Sunny | 5 mph NNW | 0% |
| Tonight | 46°F | Mostly Clear then Patchy Fog | 0 mph | 0% |
| Thursday | 78°F | Patchy Fog then Sunny | 0 to 5 mph NNE | 0% |
| Thursday Night | 49°F | Partly Cloudy | 0 mph | 1% |
| Friday | 79°F | Sunny | 0 to 10 mph NNE | 0% |
| Friday Night | 46°F | Partly Cloudy | 5 mph NNE | 0% |
| Saturday | 70°F | Mostly Sunny | 5 to 15 mph NNE | 0% |
| Saturday Night | 40°F | Mostly Cloudy | 0 to 10 mph NNE | 1% |
| Sunday | 67°F | Mostly Sunny | 5 to 10 mph N | 2% |
| Sunday Night | 38°F | Partly Cloudy | 0 to 5 mph N | 2% |
| Monday | 71°F | Sunny | 0 to 5 mph N | 3% |
| Monday Night | 39°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 75°F | Sunny | 0 to 5 mph N | 3% |
| Tuesday Night | 41°F | Partly Cloudy | 0 mph | 2% |
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 Nov 4, 2026.