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.
Today
95°F
Sunny
Sunny. High near 95, with temperatures falling to around 93 in the afternoon. Northwest wind 0 to 5 mph.
7-day forecast for New Sarpy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny | 0 to 5 mph NW | 11% |
| Tonight | 77°F | Mostly Clear | 0 to 5 mph SW | 7% |
| Wednesday | 95°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 34% |
| Wednesday Night | 76°F | Mostly Clear | 0 to 5 mph SW | 7% |
| Thursday | 95°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 34% |
| Thursday Night | 77°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph E | 34% |
| Friday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph E | 24% |
| Friday Night | 78°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 24% |
| Saturday | 93°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 39% |
| Saturday Night | 77°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 39% |
| Sunday | 93°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 60% |
| Sunday Night | 78°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 60% |
| Monday | 93°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 66% |
| Monday Night | 77°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 66% |
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 Aug 4, 2026.