Cullen, LA Weather & Growing Conditions
Tonight
47°F
Patchy Fog
Patchy fog between 11pm and 2am. Partly cloudy, with a low around 47. West wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Patchy Fog | 0 to 5 mph W | 2% |
| Wednesday | 72°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 42°F | Partly Cloudy | 0 mph | 0% |
| Thursday | 76°F | Sunny | 0 mph | 1% |
| Thursday Night | 48°F | Partly Cloudy | 0 mph | 1% |
| Friday | 73°F | Mostly Sunny | 5 mph N | 0% |
| Friday Night | 40°F | Mostly Clear | 0 mph | 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 | 3% |
| Sunday Night | 36°F | Mostly Clear | 0 mph | 1% |
| Monday | 71°F | Sunny | 0 to 5 mph NW | 0% |
| Monday Night | 37°F | Clear | 0 mph | 0% |
| Tuesday | 74°F | Sunny | 0 to 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cullen, LA
Last spring frost
Mar 14
First fall frost
Nov 14
Growing season
246 days
Hardiness zone
8b
Explore more for Cullen, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Benton 5E, La (22.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.