Weather forecast for 10 daysMermentau, LA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 75°F
- 50°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphENE 62°
- Humidity: 51%
- UV index: 7
- Sunrise: 7:14 am CDT
- Sunset: 6:36 pm CDT
- details ▼
Today, in Mermentau, uninterrupted sunshine is anticipated.
The maximum temperature will be a temperate 75.2°F, while the minimum predicted temperature is a cool 50°F.
The highest temperature is predicted to be a few degrees lower than the average October peak of 79.5°F.
Sunrise was at 7:14 am and sunset will be at 6:36 pm; the daylight will last for 11h and 22min.
The maximum temperature will be a temperate 75.2°F, while the minimum predicted temperature is a cool 50°F.
The highest temperature is predicted to be a few degrees lower than the average October peak of 79.5°F.
Sunrise was at 7:14 am and sunset will be at 6:36 pm; the daylight will last for 11h and 22min.
10-day overview
Daily temperatures
Warmest day: Saturday 86°C.
Coldest day: today 75°C.
Coldest day: today 75°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 14%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 75°F
- 50°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphENE 62°
- Humidity: 51%
- UV index: 7
- Sunrise: 7:14 am CDT
- Sunset: 6:36 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 79°F
- 55°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphENE 63°
- Humidity: 49%
- UV index: 7
- Sunrise: 7:15 am CDT
- Sunset: 6:35 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 81°F
- 52°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphENE 57°
- Humidity: 53%
- UV index: 7
- Sunrise: 7:15 am CDT
- Sunset: 6:34 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 82°F
- 52°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphNE 51°
- Humidity: 45%
- UV index: 7
- Sunrise: 7:16 am CDT
- Sunset: 6:33 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 84°F
- 52°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphNNE 30°
- Humidity: 40%
- UV index: 7
- Sunrise: 7:17 am CDT
- Sunset: 6:32 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 84°F
- 52°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphENE 57°
- Humidity: 37%
- UV index: 7
- Sunrise: 7:17 am CDT
- Sunset: 6:31 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 86°F
- 54°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphE 97°
- Humidity: 45%
- UV index: 6
- Sunrise: 7:18 am CDT
- Sunset: 6:30 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 84°F
- 54°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphENE 75°
- Humidity: 43%
- UV index: 6
- Sunrise: 7:19 am CDT
- Sunset: 6:29 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 82°F
- 55°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 8mphE 85°
- Humidity: 45%
- UV index: 6
- Sunrise: 7:20 am CDT
- Sunset: 6:28 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 84°F
- 59°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 8mphE 91°
- Humidity: 50%
- UV index: 6
- Sunrise: 7:20 am CDT
- Sunset: 6:27 pm CDT
- details ▼
It is expected that a combination of sunny and cloudy weather is expected.
Rain is not forecasted in Mermentau in the upcoming period.
In the upcoming period, the maximum temperature will range between 75.2°F and 86°F, while the low temperature range extends from 50°F to 59°F.
With the highest temperature of 86°F, Saturday will be the hottest day; today is the coldest day, with a maximum temperature of 75.2°F.
Rain is not forecasted in Mermentau in the upcoming period.
In the upcoming period, the maximum temperature will range between 75.2°F and 86°F, while the low temperature range extends from 50°F to 59°F.
With the highest temperature of 86°F, Saturday will be the hottest day; today is the coldest day, with a maximum temperature of 75.2°F.
Updated: Oct 18, 2026 @ 12:37:32 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, expect consistent sunshine and open skies.
Today, the highest temperature will be 75.2°F, while the lowest temperature will be 50°F.
Today, the maximum temperature will be slightly cooler than the average highest temperature in October. The lowest temperature today will be significantly lower than the average low of 61.5°F.
Today, the maximum temperature will be slightly cooler than the average highest temperature in October. The lowest temperature today will be significantly lower than the average low of 61.5°F.
On Sunday, in Mermentau, sunrise was at 7:14 am and sunset will be at 6:36 pm (CDT).
Today, the daylight will last for 11h and 22min.
