Saint Mary Parish, LA Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Saint Mary Parish, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 86. East wind 0 to 10 mph.
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
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 14, 2026 8:14 PM CDT
- Forecast office
- LCH
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Mary Parish
Thursday looks like the warmest upcoming period in Saint Mary Parish at 86 degrees F.
Saturday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Saturday at about 10 to 20 mph NE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 14, 2026 8:14 PM CDT
- Coverage
- 7 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
Mostly clear, with a low around 68. East wind 0 to 5 mph.
A slight chance of rain showers between 7am and 4pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 86. North wind 0 to 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 57. North wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunny, with a high near 73. Northeast wind 10 to 20 mph, with gusts as high as 30 mph.
Mostly clear, with a low around 53. Northeast wind 5 to 10 mph.
Sunny, with a high near 76. Northeast wind around 10 mph.
Mostly clear, with a low around 58. Northeast wind 5 to 10 mph.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm. Mostly clear, with a low around 62. Chance of precipitation is 20%.
Sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Mostly Sunny
|
86°F |
0 to 10 mph
E
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
68°F |
0 to 5 mph
E
|
|
Friday
Oct 16
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
86°F |
0 to 5 mph
N
|
|
Friday Night
Oct 16
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
57°F |
5 to 15 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
73°F |
10 to 20 mph
NE
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
53°F |
5 to 10 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
76°F |
10 mph
NE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
58°F |
5 to 10 mph
NE
|
|
Monday
Oct 19
|
Mostly Sunny then Slight Chance Rain Showers
|
80°F |
10 to 15 mph
NE
|
|
Monday Night
Oct 19
|
Slight Chance Rain Showers then Partly Cloudy
|
61°F |
5 to 10 mph
E
|
|
Tuesday
Oct 20
|
Mostly Sunny then Slight Chance Rain Showers
|
82°F |
5 to 10 mph
NE
|
|
Tuesday Night
Oct 20
|
Slight Chance Rain Showers then Mostly Clear
|
62°F |
0 to 5 mph
E
|
|
Wednesday
Oct 21
|
Sunny
|
83°F |
5 to 10 mph
E
|
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.
