Cotton Valley, LA Weather & Growing Conditions
Overnight
48°F
Mostly Clear
Mostly clear, with a low around 48. Northwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Wednesday | 72°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 43°F | Partly Cloudy | 0 mph | 0% |
| Thursday | 75°F | Sunny | 0 mph | 0% |
| Thursday Night | 48°F | Partly Cloudy | 0 mph | 0% |
| Friday | 73°F | Sunny | 0 to 5 mph N | 0% |
| Friday Night | 44°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Saturday | 67°F | Mostly Sunny | 5 mph NE | 0% |
| Saturday Night | 39°F | Mostly Cloudy then Slight Chance Rain Showers | 0 mph | 15% |
| Sunday | 66°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Sunday Night | 37°F | Mostly Clear | 0 mph | 1% |
| Monday | 69°F | Sunny | 0 mph | 3% |
| Monday Night | 38°F | Clear | 0 mph | 0% |
| Tuesday | 72°F | Sunny | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cotton Valley, LA
Last spring frost
Mar 14
First fall frost
Nov 14
Growing season
246 days
Hardiness zone
8b
Explore more for Cotton Valley, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Benton 5E, La (15.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.