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.
This Afternoon
93°F
Sunny
Sunny, with a high near 93. Northeast wind around 5 mph.
7-day forecast for New Sarpy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 93°F | Sunny | 5 mph NE | 1% |
| Tonight | 75°F | Clear | 0 to 5 mph S | 1% |
| Sunday | 94°F | Sunny | 0 to 5 mph N | 7% |
| Sunday Night | 76°F | Mostly Clear | 0 to 5 mph SW | 6% |
| Monday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 17% |
| Monday Night | 77°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 17% |
| Tuesday | 94°F | Sunny | 0 to 5 mph NE | 14% |
| Tuesday Night | 77°F | Mostly Clear | 0 to 5 mph E | 14% |
| Wednesday | 93°F | Sunny | 0 to 10 mph NE | 5% |
| Wednesday Night | 77°F | Mostly Clear | 0 to 5 mph E | 5% |
| Thursday | 91°F | Sunny | 5 to 10 mph NE | 1% |
| Thursday Night | 76°F | Mostly Clear | 0 to 5 mph NE | 1% |
| Friday | 90°F | Sunny | 5 to 10 mph NE | 2% |
| Friday Night | 75°F | Mostly Clear | 0 to 5 mph NE | 2% |
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
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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 20, 2026.