Saint John, LA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint John, LA in one place.
Sunny, with a high near 79. North northeast wind 0 to 10 mph.
Local Weather Overview
This forecast page for Saint John, LA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 4, 2026 8:50 PM CST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Saint John, LA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 4, 2026 8:50 PM CST
- Forecast office
- JAN
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint John
Friday looks like the warmest upcoming period in Saint John at 79 degrees F.
Sunday Night is the coolest period ahead with temperatures near 38 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph NNE.
The forecast from Nov 6 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 4, 2026 8:50 PM CST
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- JAN
- Radar station
- KDGX
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 45. North northeast wind 5 to 10 mph.
Mostly sunny, with a high near 70. North northeast wind 10 to 15 mph.
Partly cloudy, with a low around 39. North northeast wind 5 to 10 mph.
Mostly sunny, with a high near 66. North northeast wind 5 to 10 mph.
Mostly cloudy, with a low around 38. North wind 0 to 5 mph.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 39.
Mostly sunny, with a high near 74.
Mostly clear, with a low around 41.
Mostly sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Sunny
|
79°F |
0 to 10 mph
NNE
|
|
Friday Night
Nov 6
|
Mostly Clear
|
45°F |
5 to 10 mph
NNE
|
|
Saturday
Nov 7
|
Mostly Sunny
|
70°F |
10 to 15 mph
NNE
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
39°F |
5 to 10 mph
NNE
|
|
Sunday
Nov 8
|
Mostly Sunny
|
66°F |
5 to 10 mph
NNE
|
|
Sunday Night
Nov 8
|
Mostly Cloudy
|
38°F |
0 to 5 mph
N
|
|
Monday
Nov 9
|
Mostly Sunny
|
70°F |
0 to 5 mph
N
|
|
Monday Night
Nov 9
|
Partly Cloudy
|
39°F |
0 mph
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
74°F |
0 to 5 mph
N
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
41°F |
0 mph
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
75°F |
0 to 5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint John.
Nearby forecast pages are not available for this location yet.