Harman US

Haynesville, LA Weather & Growing Conditions

Tonight
47°F
Partly Cloudy then Patchy Fog
Patchy fog between midnight and 1am. Partly cloudy, with a low around 47. West wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 47°F Partly Cloudy then Patchy Fog 0 to 5 mph W 8%
Wednesday 73°F Mostly Sunny 0 to 5 mph NW 0%
Wednesday Night 43°F Partly Cloudy 0 mph 0%
Thursday 77°F Sunny 0 mph 0%
Thursday Night 47°F Partly Cloudy 0 mph 2%
Friday 74°F Sunny 5 mph N 0%
Friday Night 39°F Mostly Clear 0 to 5 mph N 0%
Saturday 69°F Mostly Sunny 0 to 5 mph N 0%
Saturday Night 37°F Partly Cloudy 0 mph 6%
Sunday 68°F Mostly Sunny 0 to 5 mph N 4%
Sunday Night 36°F Mostly Clear 0 mph 1%
Monday 72°F Sunny 0 to 5 mph NW 0%
Monday Night 36°F Clear 0 mph 0%
Tuesday 74°F Sunny 0 to 5 mph SW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Haynesville, LA

Last spring frost
Mar 30
First fall frost
Nov 6
Growing season
221 days
Hardiness zone
8b

Explore more for Haynesville, LA: full frost dates · planting calendar · Louisiana frost dates

Climate data from the nearest NOAA station, Homer 1N, La (9.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.