Lake Arthur, LA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lake Arthur, LA in one place.
Sunny, with a high near 89. Southeast wind 5 to 10 mph.
Local Weather Overview
This forecast page for Lake Arthur, 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: Oct 13, 2026 7:54 PM CDT.
The active forecast window currently covers Oct 14 to Oct 19, 2026 for Lake Arthur, LA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 14 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 7:54 PM CDT
- Forecast office
- LCH
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake Arthur
Wednesday looks like the warmest upcoming period in Lake Arthur at 89 degrees F.
Saturday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Friday Night at about 15 to 25 mph N.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 7:54 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
Mostly clear, with a low around 69. Southeast wind 5 to 10 mph.
Sunny, with a high near 88. East wind 5 to 10 mph.
Mostly clear, with a low around 68. East wind 0 to 10 mph.
Sunny, with a high near 88. Northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 59. North wind 15 to 25 mph, with gusts as high as 35 mph.
Sunny, with a high near 76. Northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Mostly clear, with a low around 56.
Sunny, with a high near 82.
Partly cloudy, with a low around 65.
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Oct 14
|
Sunny
|
89°F |
5 to 10 mph
SE
|
|
Wednesday Night
Oct 14
|
Mostly Clear
|
69°F |
5 to 10 mph
SE
|
|
Thursday
Oct 15
|
Sunny
|
88°F |
5 to 10 mph
E
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
68°F |
0 to 10 mph
E
|
|
Friday
Oct 16
|
Sunny
|
88°F |
5 to 15 mph
NE
|
|
Friday Night
Oct 16
|
Mostly Clear
|
59°F |
15 to 25 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
76°F |
15 to 20 mph
NE
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
56°F |
5 to 15 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
82°F |
5 to 10 mph
NE
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
65°F |
5 to 10 mph
E
|
|
Monday
Oct 19
|
Partly Sunny then Chance Showers And Thunderstorms
|
86°F |
10 mph
E
|
|
Monday Night
Oct 19
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
68°F |
5 to 10 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake Arthur.