Castor, LA Weather & Growing Conditions
This Afternoon
76°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Showers And Thunderstorms | 5 to 10 mph SW | 98% |
| Tonight | 52°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph W | 18% |
| Wednesday | 73°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 48°F | Mostly Clear | 0 mph | 0% |
| Thursday | 77°F | Sunny | 0 mph | 2% |
| Thursday Night | 52°F | Partly Cloudy | 0 mph | 3% |
| Friday | 76°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Friday Night | 47°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 70°F | Partly Sunny | 0 to 5 mph N | 1% |
| Saturday Night | 43°F | Partly Cloudy | 0 mph | 9% |
| Sunday | 69°F | Mostly Sunny | 0 to 5 mph N | 2% |
| Sunday Night | 41°F | Mostly Clear | 0 mph | 1% |
| Monday | 72°F | Sunny | 0 to 5 mph NW | 1% |
| Monday Night | 41°F | Mostly Clear | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Castor, LA
Last spring frost
Mar 24
First fall frost
Nov 7
Growing season
229 days
Hardiness zone
8b
Explore more for Castor, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Ashland, La (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.