Harman US

Fort Johnson South, LA Weather & Growing Conditions

Today
95°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 95. Heat index values as high as 99. South wind 0 to 5 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Today 95°F Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph S 24%
Tonight 76°F Mostly Clear 0 to 5 mph S 15%
Wednesday 95°F Sunny then Chance Showers And Thunderstorms 0 to 5 mph SW 30%
Wednesday Night 74°F Mostly Clear 0 to 5 mph S 5%
Thursday 95°F Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph S 22%
Thursday Night 75°F Slight Chance Showers And Thunderstorms then Mostly Clear 0 to 5 mph S 22%
Friday 94°F Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph SE 24%
Friday Night 74°F Slight Chance Showers And Thunderstorms 0 to 5 mph S 24%
Saturday 94°F Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph E 23%
Saturday Night 74°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph SE 23%
Sunday 93°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph SE 28%
Sunday Night 75°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph S 28%
Monday 93°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph S 46%
Monday Night 74°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph S 46%

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

Growing snapshot for Fort Johnson South, LA

Last spring frost
Mar 20
First fall frost
Nov 9
Growing season
234 days
Hardiness zone
9a

Explore more for Fort Johnson South, LA: full frost dates · planting calendar · Louisiana frost dates

Climate data from the nearest NOAA station, Leesville, La (4.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.