Gilliam, LA Weather & Growing Conditions
This Afternoon
73°F
Slight Chance Rain Showers
A slight chance of rain showers. Mostly sunny, with a high near 73. West wind around 0 mph. Chance of precipitation is 20%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Slight Chance Rain Showers | 0 mph | 23% |
| Tonight | 49°F | Mostly Clear | 0 to 5 mph W | 0% |
| Wednesday | 70°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 43°F | Partly Cloudy | 0 mph | 0% |
| Thursday | 73°F | Sunny | 0 mph | 1% |
| Thursday Night | 49°F | Partly Cloudy | 0 mph | 1% |
| Friday | 71°F | Sunny | 5 mph N | 0% |
| Friday Night | 41°F | Mostly Clear | 0 mph | 0% |
| Saturday | 67°F | Partly Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 39°F | Partly Cloudy | 0 mph | 6% |
| Sunday | 67°F | Sunny | 0 to 5 mph N | 2% |
| Sunday Night | 37°F | Mostly Clear | 0 mph | 1% |
| Monday | 70°F | Sunny | 0 mph | 0% |
| Monday Night | 38°F | Clear | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gilliam, LA
Last spring frost
Mar 6
First fall frost
Nov 19
Growing season
257 days
Hardiness zone
8b
Explore more for Gilliam, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Mooringsport 1 N, La (11.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.