Weather forecast for 10 daysMermentau, LA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 75°F
- 50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphENE 66°
- Humidity: 41%
- UV index: 7
- Sunrise: 7:14 am CDT
- Sunset: 6:36 pm CDT
- details ▼
Today, in Mermentau, clear and sunny conditions are expected.
The maximum temperature will be a moderately hot 75.2°F, while the minimum temperature will be a fresh 50°F.
The anticipated top temperature is expected to be relatively lower than the usual October maximum 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 moderately hot 75.2°F, while the minimum temperature will be a fresh 50°F.
The anticipated top temperature is expected to be relatively lower than the usual October maximum 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. 11%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 75°F
- 50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphENE 66°
- Humidity: 41%
- UV index: 7
- Sunrise: 7:14 am CDT
- Sunset: 6:36 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 79°F
- 55°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 8mphENE 62°
- 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: 9mphNE 56°
- Humidity: 52%
- 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 52°
- Humidity: 46%
- 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 32°
- 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 59°
- Humidity: 37%
- UV index: 7
- Sunrise: 7:17 am CDT
- Sunset: 6:31 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 86°F
- 52°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphE 93°
- 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 74°
- Humidity: 42%
- UV index: 6
- Sunrise: 7:19 am CDT
- Sunset: 6:29 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 82°F
- 54°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 8mphE 81°
- 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: 11%
- Precipitation: 0"
- Wind: 8mphE 88°
- Humidity: 50%
- UV index: 6
- Sunrise: 7:20 am CDT
- Sunset: 6:27 pm CDT
- details ▼
Ten-day trends indicate that a combination of dry and sunny and gloomy weather is forecasted.
Rain is not expected in Mermentau in the upcoming period.
In the upcoming days, the maximum temperature will vary between 75.2°F and 86°F, while the minimum temperature is forecast to range between 50°F and 59°F.
The hottest day will be Saturday, with a maximum of 86°F; today is the coldest day, with a maximum temperature of 75.2°F.
Rain is not expected in Mermentau in the upcoming period.
In the upcoming days, the maximum temperature will vary between 75.2°F and 86°F, while the minimum temperature is forecast to range between 50°F and 59°F.
The hottest day will be Saturday, with a maximum of 86°F; today is the coldest day, with a maximum temperature of 75.2°F.
Updated: Oct 18, 2026 @ 15:01:28 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, the weather remains calm, bright, and sunny.
Today, the highest temperature will be 75.2°F, while the lowest temperature will be 50°F.
The maximum temperature today will be relatively lower than the average highest temperature in October. The lowest temperature will be noticeably lower than the average low of 61.5°F.
The maximum temperature today will be relatively lower than the average highest temperature in October. The lowest temperature will be noticeably 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.
