Saint Mary Parish, LA Weather Forecast
County weather hub
Mostly Sunny then Chance Showers And Thunderstorms
Compare major city weather across Saint Mary Parish, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. East wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Saint Mary Parish so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 6 of 6 mapped cities in Saint Mary Parish.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 10 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 4:22 PM CDT
- Forecast office
- LCH
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Mary Parish
Monday looks like the warmest upcoming period in Saint Mary Parish at 82 degrees F.
Friday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Sunday at about 5 to 15 mph SE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 4:22 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LCH
- Radar station
- KLCH
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 60. East wind 5 to 10 mph. Chance of precipitation is 30%.
Sunny, with a high near 81. East wind 5 to 10 mph.
Mostly clear, with a low around 62. Southeast wind 5 to 10 mph.
Mostly sunny, with a high near 81. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Partly cloudy, with a low around 67. Southeast wind 5 to 10 mph.
Partly sunny, with a high near 82. Southeast wind 5 to 10 mph.
Mostly clear, with a low around 67.
Sunny, with a high near 82.
Mostly clear, with a low around 67.
Mostly sunny, with a high near 82.
Partly cloudy, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 10
|
Mostly Sunny then Chance Showers And Thunderstorms
|
81°F |
5 to 10 mph
E
|
|
Friday Night
Apr 10
|
Chance Showers And Thunderstorms then Partly Cloudy
|
60°F |
5 to 10 mph
E
|
|
Saturday
Apr 11
|
Sunny
|
81°F |
5 to 10 mph
E
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
62°F |
5 to 10 mph
SE
|
|
Sunday
Apr 12
|
Mostly Sunny
|
81°F |
5 to 15 mph
SE
|
|
Sunday Night
Apr 12
|
Partly Cloudy
|
67°F |
5 to 10 mph
SE
|
|
Monday
Apr 13
|
Partly Sunny
|
82°F |
5 to 10 mph
SE
|
|
Monday Night
Apr 13
|
Mostly Clear
|
67°F |
5 to 10 mph
SE
|
|
Tuesday
Apr 14
|
Sunny
|
82°F |
5 to 15 mph
SE
|
|
Tuesday Night
Apr 14
|
Mostly Clear
|
67°F |
5 to 10 mph
SE
|
|
Wednesday
Apr 15
|
Mostly Sunny
|
82°F |
5 to 10 mph
S
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
67°F |
5 to 10 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Saint Mary Parish.
Coverage
Forecast coverage currently spans 6 of 6 mapped cities in Saint Mary Parish.
Largest mapped city population in this region: 10,742.
