Harman US

Haynesville, LA Weather & Growing Conditions

This Afternoon
99°F
Sunny
Sunny, with a high near 99. South wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 99°F Sunny 0 to 5 mph S 0%
Tonight 71°F Clear 0 mph 0%
Sunday 99°F Sunny 0 to 5 mph SW 1%
Sunday Night 73°F Partly Cloudy 0 mph 0%
Monday 99°F Mostly Sunny 0 to 5 mph W 5%
Monday Night 71°F Mostly Clear 0 mph 7%
Tuesday 97°F Sunny 0 to 5 mph N 8%
Tuesday Night 67°F Partly Cloudy 0 to 5 mph NE 8%
Wednesday 91°F Sunny 5 mph NE 3%
Wednesday Night 65°F Mostly Clear 0 to 5 mph NE 0%
Thursday 90°F Sunny 5 mph NE 0%
Thursday Night 64°F Partly Cloudy 0 to 5 mph NE 0%
Friday 90°F Mostly Sunny 5 mph NE 0%
Friday Night 64°F Partly Cloudy 0 to 5 mph NE 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 Sep 19, 2026.