Bay Saint Louis, MS Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

64°F
Feels Like 64°F  
Humidity N/A Dew Point N/A Wind NNE 9 MPH Gusts 14 Barometer 29.85 in.
Report from a MADIS/MESONET weather station 1.2 mi. NNE of central Bay Saint Louis
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Point Forecast at a Glance

WedDec 17
Wed Dec 17: Thunderstorms, Low 62F
70%
 
62
ThuDec 18
Thu Dec 18: Thunderstorms, High 67F, Low 49F
80%
67
49
FriDec 19
Fri Dec 19: Sunny, High 60F, Low 49F
60
49
SatDec 20
Sat Dec 20: Sunny, High 66F, Low 58F
66
58
SunDec 21
Sun Dec 21: Showers, High 68F, Low 56F
20%
68
56
MonDec 22
Mon Dec 22: Mostly Sunny, High 64F, Low 56F
64
56
TueDec 23
Tue Dec 23: Sunny, High 67F, Low 57F
67
57

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7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 60°F to 68°F. Some rain possible with at least 3 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 3°F above the historical average for December. Normal highs for this period are around 63°F with lows around 43°F.

This Date in Weather History

1983 - Record cold hit the north central states. At Havre, MT, the mercury plunged to a record reading of 34 degrees below zero.

More on this and other weather history

Bay Saint Louis, MS 7 Day Weather Forecast Details

Wednesday Dec 17

Thunderstorms

Night: Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 62. Southeast wind around 10 mph. Chance of precipitation is 70%.

Thursday Dec 18

Thunderstorms

Day: Showers and thunderstorms, mainly before 4pm. Patchy dense fog before 3pm, then patchy dense fog after 5pm. High near 67. Southeast wind around 10 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Showers

Night: A slight chance of showers between 7pm and 9pm. Patchy fog before 11pm. Otherwise, partly cloudy, with a low around 49. South wind 10 to 15 mph becoming north after midnight. Chance of precipitation is 20%.

Friday Dec 19

Sunny

Day: Sunny, with a high near 60. North wind 5 to 10 mph.

Clear

Night: Clear, with a low around 49. North wind around 5 mph becoming southeast after midnight.

Saturday Dec 20

Sunny

Day: Sunny, with a high near 66. South wind 5 to 10 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 58. South wind 5 to 10 mph.

Sunday Dec 21

Showers

Day: A 20 percent chance of showers after noon. Partly sunny, with a high near 68. Southeast wind 5 to 10 mph.

Showers

Night: A slight chance of showers before midnight. Mostly cloudy, with a low around 56. East wind 5 to 10 mph.

Monday Dec 22

Mostly Sunny

Day: Mostly sunny, with a high near 64. East wind around 10 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 56. East wind 5 to 10 mph.

Tuesday Dec 23

Sunny

Day: Sunny, with a high near 67. East wind 5 to 10 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 57. East wind around 5 mph.

Wednesday Dec 24

Mostly Sunny

Day: Mostly sunny, with a high near 67. East wind 5 to 10 mph.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.