Saint Tammany Parish, LA Weather Forecast
County weather hub
Sunny
Compare major city weather across Saint Tammany Parish, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 90. North wind 0 to 5 mph.
County Weather Overview
This county weather page brings together forecast coverage for Saint Tammany Parish so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Saint Tammany Parish.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 16 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 8:46 AM CDT
- Forecast office
- LIX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Tammany Parish
Friday looks like the warmest upcoming period in Saint Tammany Parish at 90 degrees F.
Saturday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Friday Night at about 5 to 15 mph N.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 8:46 AM 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
Partly cloudy, with a low around 61. North wind 5 to 15 mph, with gusts as high as 30 mph.
Sunny, with a high near 79. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Mostly clear, with a low around 57. Northeast wind 5 to 10 mph.
Sunny, with a high near 82. East wind 5 to 10 mph.
Partly cloudy, with a low around 62. East wind 5 to 10 mph.
A slight chance of rain showers after 7am. Mostly sunny, with a high near 84. East wind around 10 mph, with gusts as high as 25 mph.
A slight chance of rain showers before 1am. Partly cloudy, with a low around 65. East wind 5 to 10 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Sunny
|
90°F |
0 to 5 mph
N
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
61°F |
5 to 15 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
79°F |
10 to 15 mph
NE
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
57°F |
5 to 10 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
82°F |
5 to 10 mph
E
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
62°F |
5 to 10 mph
E
|
|
Monday
Oct 19
|
Slight Chance Rain Showers
|
84°F |
10 mph
E
|
|
Monday Night
Oct 19
|
Slight Chance Rain Showers
|
65°F |
5 to 10 mph
E
|
Major City Forecasts
Live forecast snapshots for major cities across Saint Tammany Parish.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Saint Tammany Parish.
Largest mapped city population in this region: 27,541.