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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

WhenTempForecastWindPrecip
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

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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.