Weather forecast for 10 daysBay Saint Louis, MS
Weather forecast for the weekend
Sunday Oct 18, 2026
- 72°F
- 52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphENE 76°
- Humidity: 46%
- UV index: 7
- Sunrise: 7:01 am CDT
- Sunset: 6:23 pm CDT
- details ▼
Today, expect bright skies and plenty of sunshine.
The highest expected temperature is an agreeable 71.6°F, while the lowest temperature will be a cool 51.8°F.
Forecast models suggest colder conditions, with a peak that mirrors November's climate average rather than October's.
Sunrise was at 7:01 am and sunset will be at 6:23 pm; the daylight will last for 11h and 22min.
The highest expected temperature is an agreeable 71.6°F, while the lowest temperature will be a cool 51.8°F.
Forecast models suggest colder conditions, with a peak that mirrors November's climate average rather than October's.
Sunrise was at 7:01 am and sunset will be at 6:23 pm; the daylight will last for 11h and 22min.
10-day overview
Daily temperatures
Maximum temperature: 81°C.
Coldest day: today 72°C.
Coldest day: today 72°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 6%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 72°F
- 52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphENE 76°
- Humidity: 46%
- UV index: 7
- Sunrise: 7:01 am CDT
- Sunset: 6:23 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 75°F
- 57°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphENE 61°
- Humidity: 57%
- UV index: 7
- Sunrise: 7:02 am CDT
- Sunset: 6:22 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 77°F
- 54°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphENE 68°
- Humidity: 51%
- UV index: 7
- Sunrise: 7:02 am CDT
- Sunset: 6:21 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 81°F
- 55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphENE 65°
- Humidity: 47%
- UV index: 7
- Sunrise: 7:03 am CDT
- Sunset: 6:20 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 81°F
- 57°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphNNE 20°
- Humidity: 47%
- UV index: 7
- Sunrise: 7:04 am CDT
- Sunset: 6:19 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 81°F
- 59°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphENE 62°
- Humidity: 46%
- UV index: 6
- Sunrise: 7:05 am CDT
- Sunset: 6:18 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 55°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphENE 71°
- Humidity: 51%
- UV index: 6
- Sunrise: 7:05 am CDT
- Sunset: 6:17 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 77°F
- 55°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphENE 59°
- Humidity: 49%
- UV index: 6
- Sunrise: 7:06 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 55°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 10mphENE 62°
- Humidity: 51%
- UV index: 6
- Sunrise: 7:07 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 81°F
- 59°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 8mphENE 63°
- Humidity: 54%
- UV index: 6
- Sunrise: 7:08 am CDT
- Sunset: 6:14 pm CDT
- details ▼
Forecasts for the ten-day outlook show that primarily mostly clear and occasionally overcast weather is forecasted.
Rainfall is not expected in Bay Saint Louis in the upcoming period.
In the upcoming period, the highest temperature will range between 71.6°F and 80.6°F, while the lowest temperature will be between 51.8°F and 59°F.
Wednesday through Friday and next Tuesday, with the highest temperature of 80.6°F, will be the warmest days; today is the coldest day, with a maximum temperature of 71.6°F.
Rainfall is not expected in Bay Saint Louis in the upcoming period.
In the upcoming period, the highest temperature will range between 71.6°F and 80.6°F, while the lowest temperature will be between 51.8°F and 59°F.
Wednesday through Friday and next Tuesday, with the highest temperature of 80.6°F, will be the warmest days; today is the coldest day, with a maximum temperature of 71.6°F.
Updated: Oct 18, 2026 @ 15:20:21 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
Today, in Bay Saint Louis, the forecast calls for abundant sunshine.
Today, the maximum temperature will be 71.6°F, while the minimum temperature will be 51.8°F.
Today, the highest temperature will be relatively lower than the average maximum temperature in October. The lowest temperature today will be notably lower than the average low of 65.1°F.
Today, the highest temperature will be relatively lower than the average maximum temperature in October. The lowest temperature today will be notably lower than the average low of 65.1°F.
On Sunday, in Bay Saint Louis, sunrise was at 7:01 am and sunset will be at 6:23 pm (CDT).
Today, the daylight will last for 11h and 22min.
