Harman US

Marion, LA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Marion, a town in Union County, Louisiana.

Today
95°F
Sunny
Sunny, with a high near 95. Southeast wind around 0 mph.

7-day forecast for Marion

WhenTempForecastWindPrecip
Today 95°F Sunny 0 mph 2%
Tonight 73°F Mostly Clear 0 mph 2%
Wednesday 95°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 mph 21%
Wednesday Night 75°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 mph 21%
Thursday 95°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 mph 20%
Thursday Night 74°F Slight Chance Showers And Thunderstorms then Mostly Clear 0 mph 20%
Friday 94°F Sunny then Slight Chance Showers And Thunderstorms 0 mph 22%
Friday Night 73°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 mph 22%
Saturday 94°F Mostly Sunny then Chance Showers And Thunderstorms 0 mph 26%
Saturday Night 74°F Chance Showers And Thunderstorms then Partly Cloudy 0 mph 26%
Sunday 94°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 mph 18%
Sunday Night 74°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 mph 18%
Monday 94°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph S 19%
Monday Night 74°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 mph 19%

Forecast source: National Weather Service (api.weather.gov) for Marion (32.898, -92.240). Updated through the day.

Growing snapshot for Marion

Last spring frost
Mar 25
First fall frost
Nov 5
Growing season
226 days
Hardiness zone
8b

More local growing data for Marion: nearby ZIP 71260 weather · frost dates · planting calendar · Louisiana frost dates

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Climate data from the nearest NOAA station, Monroe 26 N, La (7.1 mi from Marion). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.