New Sarpy, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Sarpy, a community in St. Charles County, Louisiana.
Overnight
74°F
Clear
Clear, with a low around 74. Wind around 0 mph.
7-day forecast for New Sarpy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Clear | 0 mph | 0% |
| Saturday | 93°F | Sunny | 0 to 5 mph NE | 2% |
| Saturday Night | 75°F | Clear | 0 to 5 mph S | 1% |
| Sunday | 94°F | Sunny | 0 to 5 mph N | 6% |
| Sunday Night | 76°F | Mostly Clear | 0 mph | 3% |
| Monday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 5 mph N | 15% |
| Monday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 15% |
| Tuesday | 94°F | Sunny | 0 to 5 mph N | 11% |
| Tuesday Night | 77°F | Mostly Clear | 0 to 5 mph E | 11% |
| Wednesday | 93°F | Sunny | 0 to 10 mph NE | 7% |
| Wednesday Night | 76°F | Mostly Clear | 0 to 5 mph NE | 11% |
| Thursday | 91°F | Sunny | 10 mph NE | 5% |
| Thursday Night | 75°F | Mostly Clear | 5 to 10 mph NE | 5% |
| Friday | 89°F | Sunny | 5 to 10 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for New Sarpy (29.979, -90.383). Updated through the day.
Growing snapshot for New Sarpy
Last spring frost
Jan 30
First fall frost
Dec 31
Growing season
333 days
Hardiness zone
9b
More local growing data for New Sarpy: nearby ZIP 70047 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
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Bayou Gauche
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Des Allemands
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Killona
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Montz
Norco
Paradis
St. Rose
Taft
Climate data from the nearest NOAA station, New Orleans Intl Ap, La (6.3 mi from New Sarpy). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.