National Weather Service forecast

Bay St. Louis, Mississippi Weather

67°Overnight: Areas Of Fog
Wind 0 mph

Bay St. Louis 7-Day Forecast

  1. Overnight
    67°F
    Areas Of Fog
    2% chance of precipitation

    Areas of fog. Mostly cloudy. Low around 67, with temperatures rising to around 69 overnight. South wind around 0 mph.

  2. Wednesday
    80°F
    Areas Of Fog then Chance Showers And Thunderstorms
    34% chance of precipitation

    Areas of fog before 8am, then areas of fog and a slight chance of rain showers between 8am and noon, then a chance of showers and thunderstorms between noon and 5pm. Mostly sunny. High near 80, with temperatures falling to around 76 in the afternoon. Southwest wind 0 to 5 mph. Chance of precipitation is 30%.

  3. Wednesday Night
    60°F
    Areas Of Fog
    3% chance of precipitation

    Areas of fog between 11pm and 4am. Partly cloudy, with a low around 60. North wind 0 to 5 mph.

  4. Thursday
    79°F
    Sunny

    Sunny, with a high near 79. East wind 0 to 5 mph.

  5. Thursday Night
    63°F
    Partly Cloudy
    1% chance of precipitation

    Partly cloudy, with a low around 63. West wind 0 to 5 mph.

  6. Friday
    78°F
    Mostly Sunny
    5% chance of precipitation

    Mostly sunny, with a high near 78. North wind 0 to 5 mph.

  7. Friday Night
    55°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 55. North wind 0 to 10 mph.

  8. Saturday
    73°F
    Mostly Sunny

    Mostly sunny, with a high near 73. North wind 5 to 10 mph.

  9. Saturday Night
    50°F
    Partly Cloudy
    1% chance of precipitation

    Partly cloudy, with a low around 50. North wind 5 to 10 mph.

  10. Sunday
    68°F
    Slight Chance Rain Showers then Mostly Sunny
    15% chance of precipitation

    A slight chance of rain showers before noon. Mostly sunny, with a high near 68. North wind 5 to 10 mph.

  11. Sunday Night
    48°F
    Partly Cloudy
    4% chance of precipitation

    Partly cloudy, with a low around 48. North wind around 5 mph.

  12. Monday
    70°F
    Sunny
    6% chance of precipitation

    Sunny, with a high near 70. North wind around 5 mph.

  13. Monday Night
    48°F
    Mostly Clear
    4% chance of precipitation

    Mostly clear, with a low around 48. North wind 0 to 5 mph.

  14. Tuesday
    71°F
    Sunny
    6% chance of precipitation

    Sunny, with a high near 71. East wind 0 to 5 mph.

Issued by the National Weather Service (LIX office), updated .

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About Bay St. Louis

Population (2020 Census)
9,284
Coordinates
30.323, -89.359
Elevation
13 ft
NWS forecast office
LIX
Time zone
America/Chicago
Sunrise today
6:14 AM CST
Sunset today
5:07 PM CST
Daylight today
10 h 54 min

Bay St. Louis Weather Questions

What is the weather forecast for Bay St. Louis, Mississippi?

Overnight: Areas of fog. Mostly cloudy. Low around 67, with temperatures rising to around 69 overnight. South wind around 0 mph. Wednesday: Areas of fog before 8am, then areas of fog and a slight chance of rain showers between 8am and noon, then a chance of showers and thunderstorms between noon and 5pm. Mostly sunny. High near 80, with temperatures falling to around 76 in the afternoon. Southwest wind 0 to 5 mph. Chance of precipitation is 30%.

Will it rain or snow in Bay St. Louis this week?

The best chance of precipitation is Wednesday at 34%. Periods with a 30% chance or more: Wednesday (34%).

How warm and how cold will it get in Bay St. Louis this week?

The warmest day is Wednesday, with a high near 80°F. The coldest night is Sunday Night, with a low near 48°F.

What time are sunrise and sunset in Bay St. Louis today?

Sunrise is at 6:14 AM CST and sunset is at 5:07 PM CST, for 10 h 54 min of daylight.

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