Waterproof, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Waterproof, a town in Tensas County, Louisiana.
This Afternoon
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 104. East wind 0 to 5 mph.
7-day forecast for Waterproof
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Sunny | 0 to 5 mph E | 0% |
| Tonight | 72°F | Mostly Clear | 0 to 5 mph S | 2% |
| Sunday | 98°F | Sunny | 0 to 5 mph SW | 1% |
| Sunday Night | 73°F | Mostly Clear | 0 mph | 0% |
| Monday | 98°F | Mostly Sunny | 0 to 5 mph NNW | 7% |
| Monday Night | 73°F | Partly Cloudy | 0 mph | 13% |
| Tuesday | 97°F | Sunny | 0 to 5 mph NNE | 9% |
| Tuesday Night | 72°F | Mostly Clear | 0 to 5 mph NNE | 9% |
| Wednesday | 94°F | Sunny | 5 to 10 mph NNE | 1% |
| Wednesday Night | 68°F | Mostly Clear | 5 to 10 mph NE | 1% |
| Thursday | 92°F | Sunny | 5 to 10 mph NNE | 0% |
| Thursday Night | 67°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Friday | 91°F | Mostly Sunny | 5 to 10 mph NE | 0% |
| Friday Night | 66°F | Partly Cloudy | 0 to 5 mph NE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Waterproof (31.807, -91.386). Updated through the day.
Growing snapshot for Waterproof
Last spring frost
Mar 13
First fall frost
Nov 10
Growing season
242 days
Hardiness zone
8b
More local growing data for Waterproof: nearby ZIP 71375 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, St Joseph 3 N, La (15.6 mi from Waterproof). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.