St. Charles Parish weather, town by town
14 places in St. Charles Parish, Louisiana, each with its own live forecast and radar, and where a station sits close enough, measured weather records.
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Measured at the NOAA stations serving these towns, daily records 1948 to 2025. Station extremes, not official state records.
St. Charles Parish Weather Facts
St. Charles Parish has 14 places on myweatherrock (14 census-designated places), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 105°F at New Orleans Ap on August 27, 2023. The coldest night is 11°F at New Orleans Ap on December 23, 1989. The wettest day brought 12.24 inches of rain at New Orleans Ap on May 8, 1995. The biggest single-day snow measured 7.99 inches at New Orleans Ap on January 21, 2025. Those are station measurements from NOAA's daily records, 1948 to 2025, not official state records. By area the largest place is Luling, about 23 square miles.
About St. Charles Parish weather
The map on the Now tab shows every St. Charles Parish town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 14 St. Charles Parish towns with station normals, the warmest month is July, when the day usually reaches 92°F, and the coldest is January, when the night usually falls to 45°F. July is the wettest, with rain on about 14 days.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
- Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
- Warnings and alerts: the National Weather Service, passed through unchanged.
St. Charles Parish weather records
Measured at the NOAA stations serving these towns, daily records 1948 to 2025. Station extremes, not official state records.
Common questions about St. Charles Parish weather
- What is the hottest temperature recorded at a St. Charles Parish station?
- 105°F at New Orleans Ap on August 27, 2023, in the NOAA daily station records myweatherrock holds (1948 to 2025).
- What is the coldest temperature recorded at a St. Charles Parish station?
- 11°F at New Orleans Ap on December 23, 1989.
- What is the most rain a St. Charles Parish station has measured in one day?
- 12.24 inches at New Orleans Ap on May 8, 1995.
- What is the biggest one-day snowfall at a St. Charles Parish station?
- 7.99 inches at New Orleans Ap on January 21, 2025.
- How many St. Charles Parish towns have a weather page here?
- 14: 14 census-designated places. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
- Where does the St. Charles Parish forecast come from?
- NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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