Weather forecast for tomorrowMermentau, LA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 77°F
- 54°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 8mphENE 63°
- Humidity: 48%
- UV index: 7
- Sunrise: 7:15 am CDT
- Sunset: 6:35 pm CDT
- details ▼
Tomorrow, on Monday, the sky will feature a blend of clouds and sunshine.
Expected temperatures will peak at a moderately hot 77°F and dip to a minimum of a cool 53.6°F.
October's usual high of 79.5°F is anticipated to be matched by the day’s maximum temperature.
Sunrise will be at 7:15 am and sunset at 6:35 pm; tomorrow's daylight will last for 11h and 20min.
Expected temperatures will peak at a moderately hot 77°F and dip to a minimum of a cool 53.6°F.
October's usual high of 79.5°F is anticipated to be matched by the day’s maximum temperature.
Sunrise will be at 7:15 am and sunset at 6:35 pm; tomorrow's daylight will last for 11h and 20min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 77°C.
Coldest hour: 6 am 52°C.
Coldest hour: 6 am 52°C.
Chance of precipitation
Highest chance: 6 am 5%.
Hourly weather forecast
- 12 am
- 57°F
- Feels like:57°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphE 85°
- Humidity: 74%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 54°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphENE 77°
- Humidity: 81%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 54°F
- Feels like:52°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphENE 67°
- Humidity: 82%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 52°F
- Feels like:50°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphENE 65°
- Humidity: 84%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:15 am
- 8 am
- 54°F
- Feels like:52°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphENE 70°
- Humidity: 76%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 64°F
- Feels like:64°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphENE 72°
- Humidity: 53%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 72°F
- Feels like:72°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphENE 68°
- Humidity: 42%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 75°F
- Feels like:75°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphENE 59°
- Humidity: 36%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 4 pm
- 77°F
- Feels like:77°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphENE 58°
- Humidity: 35%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 73°F
- Feels like:73°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNE 51°
- Humidity: 37%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:35 pm
- 8 pm
- 66°F
- Feels like:66°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNE 46°
- Humidity: 48%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 61°F
- Feels like:61°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphENE 67°
- Humidity: 59%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of gloomy and dry and sunny weather is forecasted.
The temperature will be between the lowest temperature of 51.8°F and the highest temperature of 77°F. The warmest part of the day will be at 3 pm and 4 pm.
The highest temperature will be alike with October's average maximum of 79.5°F. Forecast models suggest a low more resembling November's typical minimum of 52.2°F than October's usual 61.5°F.
The temperature will be between the lowest temperature of 51.8°F and the highest temperature of 77°F. The warmest part of the day will be at 3 pm and 4 pm.
The highest temperature will be alike with October's average maximum of 79.5°F. Forecast models suggest a low more resembling November's typical minimum of 52.2°F than October's usual 61.5°F.
Updated: Oct 18, 2026 @ 16:29:57 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 Monday, partly cloudy skies will persist, making for a mix of sun and clouds.
Tomorrow, the maximum temperature will be 77°F, while the minimum temperature will be 53.6°F.
The maximum temperature will be in line with the average highest temperature of 79.5°F in October. The lowest temperature will be slightly cooler than the average low of 61.5°F.
The maximum temperature will be in line with the average highest temperature of 79.5°F in October. The lowest temperature will be slightly cooler than the average low of 61.5°F.
On Monday, in Mermentau, sunrise will be at 7:15 am and sunset at 6:35 pm (CDT).
Tomorrow, the daylight will last for 11h and 20min.
