Norco, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Norco, a community in St. Charles County, Louisiana.
This Afternoon
82°F
Mostly Sunny
Mostly sunny. High near 82, with temperatures falling to around 76 in the afternoon. Southeast wind 5 to 10 mph.
7-day forecast for Norco
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Mostly Sunny | 5 to 10 mph SE | 6% |
| Tonight | 69°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph S | 9% |
| Wednesday | 81°F | Slight Chance Rain Showers | 0 to 5 mph W | 22% |
| Wednesday Night | 62°F | Mostly Clear | 0 mph | 1% |
| Thursday | 80°F | Sunny | 0 to 5 mph NW | 12% |
| Thursday Night | 63°F | Chance Rain Showers | 0 to 5 mph SW | 30% |
| Friday | 78°F | Chance Rain Showers | 5 mph N | 36% |
| Friday Night | 59°F | Partly Cloudy | 0 to 10 mph N | 5% |
| Saturday | 74°F | Mostly Sunny | 5 to 10 mph N | 7% |
| Saturday Night | 53°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 10 mph N | 15% |
| Sunday | 69°F | Mostly Sunny | 10 mph N | 11% |
| Sunday Night | 51°F | Mostly Clear | 5 mph N | 5% |
| Monday | 70°F | Sunny | 5 to 10 mph N | 3% |
| Monday Night | 51°F | Mostly Clear | 0 to 5 mph N | 2% |
Forecast source: National Weather Service (api.weather.gov) for Norco (29.998, -90.405). Updated through the day.
Growing snapshot for Norco
Last spring frost
Jan 30
First fall frost
Dec 31
Growing season
333 days
Hardiness zone
9b
More local growing data for Norco: nearby ZIP 70079 weather · frost dates · planting calendar · Louisiana frost dates
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Paradis
St. Rose
Taft
Climate data from the nearest NOAA station, New Orleans Intl Ap, La (9.7 mi from Norco). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.