Saint John the Baptist Parish, LA Weather Forecast
County weather hub
Sunny
Compare major city weather across Saint John the Baptist Parish, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 80. Northeast wind 0 to 10 mph.
County Weather Overview
This county weather page brings together forecast coverage for Saint John the Baptist Parish so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Saint John the Baptist Parish.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 12 to May 15, 2026
- Latest sync
- May 9, 2026 2:29 PM CDT
- Forecast office
- LIX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint John the Baptist Parish
Thursday looks like the warmest upcoming period in Saint John the Baptist Parish at 86 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Tuesday at about 0 to 10 mph NE.
The forecast from May 12 through May 15 stays mostly dry.
Forecast Details
- Last updated
- May 9, 2026 2:29 PM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- LIX
- Radar station
- KLIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 63. Northeast wind around 0 mph.
Sunny, with a high near 84. Northeast wind around 0 mph.
Mostly clear, with a low around 66. West wind around 0 mph.
Sunny, with a high near 86. Northeast wind 0 to 5 mph.
Mostly clear, with a low around 67. Southwest wind 0 to 5 mph.
Mostly sunny, with a high near 86. East wind 0 to 5 mph.
Partly cloudy, with a low around 69. South wind 0 to 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 12
|
Sunny
|
80°F |
0 to 10 mph
NE
|
|
Tuesday Night
May 12
|
Clear
|
63°F |
0 mph
|
|
Wednesday
May 13
|
Sunny
|
84°F |
0 mph
|
|
Wednesday Night
May 13
|
Mostly Clear
|
66°F |
0 mph
|
|
Thursday
May 14
|
Sunny
|
86°F |
0 to 5 mph
NE
|
|
Thursday Night
May 14
|
Mostly Clear
|
67°F |
0 to 5 mph
SW
|
|
Friday
May 15
|
Mostly Sunny
|
86°F |
0 to 5 mph
E
|
|
Friday Night
May 15
|
Partly Cloudy
|
69°F |
0 to 5 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Saint John the Baptist Parish.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Saint John the Baptist Parish.
Largest mapped city population in this region: 29,872.
