Skip to content

Checked

Lake Arthur, LA 70643 Weather

Today: Mostly Cloudy, high 80°F, low 68°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).

Lake Arthur, LA 70643 current weather

72°F

Mostly Cloudy

Forecast for this hour. No recent report from a nearby station.

H 80° / L 68°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/30/2026, 5:45 AM PT

Hourly forecast

NWS, updated 10/30/2026, 5:45 AM PT

  1. Now72°
  2. 11 AM74°
  3. 12 PM76°
  4. 1 PM78°
  5. 2 PM78°
  6. 3 PM79°
  7. 4 PM79°
  8. 5 PM80°
  9. 6 PM78°
  10. 7 PM74°
  11. 8 PM74°
  12. 9 PM71°
  13. 10 PM70°10%
  14. 11 PM70°
  15. 12 AM70°Sat
  16. 1 AM70°
  17. 2 AM70°
  18. 3 AM70°12%
  19. 4 AM70°19%
  20. 5 AM70°20%
  21. 6 AM69°26%
  22. 7 AM68°29%
  23. 8 AM70°35%
  24. 9 AM71°32%
  25. 10 AM75°39%
  26. 11 AM77°44%
  27. 12 PM78°31%
  28. 1 PM78°54%
  29. 2 PM79°52%
  30. 3 PM79°43%
  31. 4 PM79°42%
  32. 5 PM78°24%
  33. 6 PM78°
  34. 7 PM74°32%
  35. 8 PM72°32%
  36. 9 PM71°32%
  37. 10 PM71°32%
  38. 11 PM71°32%
  39. 12 AM70°32%Sun
  40. 1 AM70°
  41. 1 AM70°
  42. 2 AM70°
  43. 3 AM69°
  44. 4 AM69°
  45. 5 AM68°
  46. 6 AM68°
  47. 7 AM70°
  48. 8 AM73°

7-day forecast

Tap a day for details

  • Today10/3020% chance of precipitationLow 68°High 80°

    Today: Mostly cloudy, with a high near 80. East wind around 10 mph.

    Tonight: A slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 68. East wind 5 to 10 mph. Chance of precipitation is 20%.

    Mostly Cloudy
  • Sat10/3154% chance of precipitationLow 67°High 80°

    Saturday: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

    Saturday Night: A chance of rain showers between 7pm and 1am. Partly cloudy, with a low around 67. East wind around 5 mph. Chance of precipitation is 30%.

    Chance Showers And Thunderstorms
  • Sun11/110% chance of precipitationLow 69°High 83°

    Sunday: Partly sunny, with a high near 83. East wind 5 to 10 mph.

    Sunday Night: Mostly cloudy, with a low around 69. East wind around 5 mph.

    Partly Sunny
  • Mon11/2Low 70°High 81°

    Monday: Partly sunny, with a high near 81. East wind 10 to 15 mph, with gusts as high as 25 mph.

    Monday Night: Partly cloudy, with a low around 70. Southeast wind around 10 mph, with gusts as high as 25 mph.

    Partly Sunny
  • Tue11/363% chance of precipitationLow 64°High 80°

    Tuesday: Rain showers likely before noon, then showers and thunderstorms likely. Partly sunny, with a high near 80. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

    Rain Showers Likely
  • Wed11/416% chance of precipitationLow 59°High 77°

    Wednesday: A slight chance of rain showers before noon. Mostly sunny, with a high near 77. Chance of precipitation is 20%.

    Wednesday Night: Partly cloudy, with a low around 59.

    Slight Chance Rain Showers then Mostly Sunny
  • Thu11/5Low 58°High 77°

    Thursday: Sunny, with a high near 77.

    Thursday Night: Mostly clear, with a low around 58.

    Sunny

Forecast for 29.726, -92.812 from the NWS LCH office, updated 10/30/2026, 5:45 AM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now72°Mostly Cloudy0%10 mph
  2. 11 AM74°Mostly Cloudy0%10 mph
  3. 12 PM76°Mostly Cloudy0%10 mph
  4. 1 PM78°Mostly Cloudy0%10 mph
  5. 2 PM78°Mostly Cloudy0%10 mph
  6. 3 PM79°Mostly Cloudy0%10 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gusts
Show

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Lake Arthur, LA 70643?
The National Weather Service forecast for today calls for a high near 80°F. Mostly Cloudy.
Will it rain in Lake Arthur, LA 70643 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Lake Arthur, LA 70643 today?
Sunrise is about 7:23 AM CDT and sunset is about 6:26 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Lake Arthur, LA 70643?
At Rockefeller Wl Refuge, the 1991 to 2020 normal high in October is 81°F and the normal low is 62°F.

Nearby hazards

Louisiana hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Lake Charles)
50GoodPM2.5
AQI forecast tomorrow (Lake Charles)
39GoodPM2.5

UV index guide · Air quality

Drought

By county

Cameron Parish, week of 10/27/2026

100% of the county is in moderate drought or worse, 69% in extreme drought or worse.

Tides nearby

NOAA tide stations

Sun and moon

Local time, center of the area

Sunrise
7:23 AM
Sunset
6:26 PM
Daylight
11 hr 3 min
Moon
Waning Gibbous 79% lit
First light (civil dawn)
6:58 AM
Last light (civil dusk)
6:50 PM
Moonrise
10:27 PM
Moonset
12:17 PM

Normal October weather

Climate

Normal October high 81°, low 62°, precipitation 3.72 in for the month. 1991 to 2020 normals at Rockefeller Wl Refuge, 0 mi away.

Other places nearby

Data sources

See something wrong? Request a correction

About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

Forecasts, observations and alerts come from the National Weather Service (api.weather.gov). Data can be delayed by minutes to hours, and an observation station may be miles from the place named on this page. This site is not affiliated with NOAA or the National Weather Service.

DatenUS is a private website and is not affiliated with or endorsed by any government agency. We republish public data from the sources listed on this page. Data can be incomplete, delayed or wrong. Always check the original source before you make a decision.

Our servers read this data automatically from government sources. Errors can come from the source itself or from the way we read, process or display it, and we do not guarantee that it is accurate, complete or current. Verify anything important with the official source.

Report an errorRead the full disclaimer