Live Weather & Forecast
Weather in Bay Saint Louis
Mississippi, United States · Real-time conditions & 3-day outlook
14°C
Feels like 14°C
58°F / Feels 57°F
Clear
Bay Saint Louis, Mississippi
🌙 Nighttime
Updated: 2026-04-12 05:15
Humidity
97%
Wind
10.8 km/h ESE
Wind Gust
20.7 km/h
Pressure
1023 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
17.5°C
Wind Degree
104°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
129.9 μg/m³
NO₂
2 μg/m³
O₃
115 μg/m³
SO₂
1.8 μg/m³
PM 2.5
7.4 μg/m³
PM 10
10.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for Bay Saint Louis, Mississippi
12 AM
21°
Clear
1 AM
21°
Clear
2 AM
21°
Clear
3 AM
21°
Clear
4 AM
21°
Clear
5 AM
14°
Clear
6 AM
21°
Clear
7 AM
21°
Sunny
8 AM
21°
Sunny
9 AM
22°
Sunny
10 AM
22°
Sunny
11 AM
23°
Sunny
12 PM
23°
Sunny
1 PM
23°
Sunny
2 PM
24°
Sunny
3 PM
24°
Sunny
4 PM
23°
Sunny
5 PM
22°
Cloudy
6 PM
22°
Cloudy
7 PM
21°
Sunny
8 PM
20°
Overcast
9 PM
21°
Overcast
10 PM
20°
Clear
11 PM
20°
Cloudy
3-Day Forecast
Daily overview for Bay Saint Louis, Mississippi
Today
Sunny
25°
/
19°
🌧️ 0% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 21.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.5
🌅 Sunrise: 06:33 AM
🌇 Sunset: 07:23 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Overcast
25°
/
20°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 20.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.4
🌅 Sunrise: 06:32 AM
🌇 Sunset: 07:24 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
23°
/
20°
🌧️ 0% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 19.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.5
🌅 Sunrise: 06:31 AM
🌇 Sunset: 07:25 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Bay Saint Louis
Plan your trip to Bay Saint Louis, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Bay Saint Louis?
Current conditions in Bay Saint Louis: Clear, temperature 14°C, humidity 97%.
What is the best time to visit Bay Saint Louis?
The best time to visit Bay Saint Louis is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Bay Saint Louis?
Bay Saint Louis is located at approximately 30.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Bay Saint Louis?
The wettest period in Bay Saint Louis is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Bay Saint Louis?
For visits to Bay Saint Louis during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Bay Saint Louis in?
Bay Saint Louis is located in United States, in the state of Mississippi.
What are the public holidays in Bay Saint Louis in 2026?
View the 2026 public holidays for Bay Saint Louis on our Holidays page.
What are the GPS coordinates used for the weather forecast in Bay Saint Louis?
The weather forecast for Bay Saint Louis uses coordinates 30.3132, -89.3343.