Cotton Valley, LA Weather & Growing Conditions
Today
99°F
Sunny
Sunny, with a high near 99. Southwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 0 to 5 mph SW | 0% |
| Tonight | 71°F | Clear | 5 mph S | 0% |
| Sunday | 98°F | Sunny | 0 to 5 mph SW | 0% |
| Sunday Night | 73°F | Partly Cloudy | 0 to 5 mph S | 1% |
| Monday | 97°F | Mostly Sunny | 0 to 5 mph W | 11% |
| Monday Night | 72°F | Partly Cloudy | 0 mph | 11% |
| Tuesday | 96°F | Mostly Sunny | 0 to 5 mph N | 8% |
| Tuesday Night | 69°F | Partly Cloudy | 0 to 5 mph NE | 8% |
| Wednesday | 93°F | Sunny | 5 mph NE | 3% |
| Wednesday Night | 65°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Thursday | 91°F | Sunny | 5 mph NE | 0% |
| Thursday Night | 65°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Friday | 91°F | Mostly Sunny | 5 mph NE | 0% |
| Friday Night | 65°F | Partly Cloudy | 0 to 5 mph NE | 0% |
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 Sep 19, 2026.