Lake Arthur, LA Weather & Growing Conditions
Today
75°F
Sunny
Sunny, with a high near 75. Northwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Sunny | 5 to 10 mph NW | 0% |
| Tonight | 58°F | Mostly Clear | 0 to 5 mph N | 0% |
| Thursday | 77°F | Sunny | 0 to 5 mph NE | 0% |
| Thursday Night | 62°F | Partly Cloudy | 0 to 5 mph NW | 12% |
| Friday | 79°F | Mostly Sunny | 5 to 10 mph NE | 5% |
| Friday Night | 58°F | Partly Cloudy | 5 to 10 mph NE | 4% |
| Saturday | 73°F | Mostly Sunny | 10 to 15 mph NE | 0% |
| Saturday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph NE | 15% |
| Sunday | 68°F | Slight Chance Rain Showers then Mostly Sunny | 10 to 15 mph N | 15% |
| Sunday Night | 50°F | Partly Cloudy | 5 to 10 mph N | 5% |
| Monday | 69°F | Sunny | 5 to 10 mph N | 6% |
| Monday Night | 51°F | Mostly Clear | 5 mph N | 1% |
| Tuesday | 72°F | Sunny | 5 mph E | 3% |
| Tuesday Night | 54°F | Partly Cloudy | 0 to 5 mph E | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lake Arthur, LA
Last spring frost
Feb 2
First fall frost
Dec 23
Growing season
323 days
Hardiness zone
9b
Explore more for Lake Arthur, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Rockefeller Wl Refuge, La (2.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.