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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

WhenTempForecastWindPrecip
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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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.