Weather forecast for tomorrowMermentau, LA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 79°F
- 55°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 ▼
On Monday, October 19, patchy clouds will move across the sky, allowing for sunshine at times.
Temperature span will be from a high of a moderately hot 78.8°F to a low of a refreshing 55.4°F.
The expected daytime maximum should align with the typical October high of 79.5°F.
Sunrise will be at 7:15 am and sunset at 6:35 pm; tomorrow's daylight will last for 11h and 20min.
Temperature span will be from a high of a moderately hot 78.8°F to a low of a refreshing 55.4°F.
The expected daytime maximum should align with the typical October high of 79.5°F.
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 4%.
Hourly weather forecast
- 12 am
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphE 82°
- Humidity: 75%
- 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 74°
- Humidity: 81%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 54°F
- Feels like:52°F
Mostly Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphENE 68°
- Humidity: 81%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 52°F
- Feels like:50°F
Mostly Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphENE 66°
- Humidity: 82%
- 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: 77%
- 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 74°
- Humidity: 52%
- 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 69°
- 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: 6mphENE 60°
- Humidity: 35%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 4 pm
- 77°F
- Feels like:77°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphENE 58°
- Humidity: 33%
- 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: 7mphNE 50°
- Humidity: 35%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:35 pm
- 8 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNE 45°
- Humidity: 45%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 63°F
- Feels like:63°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphENE 67°
- Humidity: 55%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily cloudy and occasionally bright 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 maximum temperature will be comparable to the average high of 79.5°F in October. Forecast models suggest a low more in line with 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 maximum temperature will be comparable to the average high of 79.5°F in October. Forecast models suggest a low more in line with November's typical minimum of 52.2°F than October's usual 61.5°F.
Updated: Oct 18, 2026 @ 19:12:16 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, in Mermentau, sunny moments will alternate with patchy cloud cover.
Tomorrow, the maximum temperature will be 78.8°F, while the minimum temperature will be 55.4°F.
The highest temperature will be in line with the average maximum of 79.5°F in October. The lowest temperature will be a couple of degrees lower than the average low of 61.5°F.
The highest temperature will be in line with the average maximum of 79.5°F in October. The lowest temperature will be a couple of degrees lower 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.
