Bay St. Louis Weather Forecast 15 Days, Weather in Bay St. Louis Today
Current weather conditions and 15 day weather forecast for Bay St. Louis, Mississippi, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Bay St. Louis
| 26 March 2026 Thursday 20.1 ° C / 68.2°F  Overcast |
Feels Like : 20.1 ° C / 68.2°F Humidity : % 90 Pressure : 1020 mb Wind Speed : 8.3 kmph / 5.1 miles from SSE  Visibility : 14 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Bay St. Louis, MS, USA
Weather Forecast for next 15 Days for Bay St. Louis including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Bay St. Louis, Mississippi state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 26 March 2026 Thursday |  Partly Cloudy |
18.3 ° C (64.9°F) |
22.3 ° C (72.1°F) |
20.3 ° C (68.6°F) |
% 91 | 0% | 2 | Sunrise:06:54 AM Sunset: 07:13 PM |
Moonrise:12:56 PM Moonset: 02:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday |  Cloudy |
17.4 ° C (63.3°F) |
23.4 ° C (74.1°F) |
19.9 ° C (67.8°F) |
% 86 | 0% | 2.2 | Sunrise:06:52 AM Sunset: 07:13 PM |
Moonrise:02:04 PM Moonset: 03:37 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday |  Sunny |
16.2 ° C (61.2°F) |
24 ° C (75.2°F) |
20 ° C (68.1°F) |
% 54 | 0% | 2.2 | Sunrise:06:51 AM Sunset: 07:14 PM |
Moonrise:03:10 PM Moonset: 04:18 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday |  Patchy rain nearby |
14.7 ° C (58.5°F) |
20 ° C (68.1°F) |
18.5 ° C (65.3°F) |
% 74 | 89% | 1.1 | Sunrise:06:50 AM Sunset: 07:15 PM |
Moonrise:04:13 PM Moonset: 04:54 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday | Patchy rain nearby |
19.9 ° C (67.7°F) |
22.4 ° C (72.4°F) |
20.6 ° C (69.1°F) |
% 82 | 88% | 0 | Sunrise:06:49 AM Sunset: 07:15 PM |
Moonrise:05:14 PM Moonset: 05:25 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday | Patchy rain nearby |
20.1 ° C (68.1°F) |
23 ° C (73.3°F) |
21.2 ° C (70.2°F) |
% 86 | 82% | 5 | Sunrise:06:47 AM Sunset: 07:16 PM |
Moonrise:06:12 PM Moonset: 05:54 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Patchy rain nearby |
20.2 ° C (68.3°F) |
23.7 ° C (74.6°F) |
21.7 ° C (71.1°F) |
% 87 | 84% | 5 | Sunrise:06:46 AM Sunset: 07:17 PM |
Moonrise:07:10 PM Moonset: 06:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday | Patchy rain nearby |
20.2 ° C (68.4°F) |
23.4 ° C (74.1°F) |
21.3 ° C (70.4°F) |
% 90 | 88% | 5 | Sunrise:06:45 AM Sunset: 07:17 PM |
Moonrise:08:07 PM Moonset: 06:49 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Patchy rain nearby |
20.1 ° C (68.2°F) |
25.5 ° C (78°F) |
22.4 ° C (72.3°F) |
% 82 | 88% | 5 | Sunrise:06:44 AM Sunset: 07:18 PM |
Moonrise:09:05 PM Moonset: 07:19 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Sunny |
14.7 ° C (58.4°F) |
23 ° C (73.3°F) |
18.6 ° C (65.5°F) |
% 66 | 0% | 5 | Sunrise:06:43 AM Sunset: 07:18 PM |
Moonrise:10:03 PM Moonset: 07:51 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Cloudy |
13.4 ° C (56°F) |
20.9 ° C (69.7°F) |
17.5 ° C (63.5°F) |
% 69 | 0% | 4 | Sunrise:06:41 AM Sunset: 07:19 PM |
Moonrise:11:02 PM Moonset: 08:26 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Sunny |
13.7 ° C (56.7°F) |
19.3 ° C (66.7°F) |
16.9 ° C (62.5°F) |
% 63 | 0% | 5 | Sunrise:06:40 AM Sunset: 07:20 PM |
Moonrise:11:58 PM Moonset: 09:07 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday | Sunny |
14.8 ° C (58.6°F) |
23.2 ° C (73.7°F) |
18.7 ° C (65.7°F) |
% 69 | 0% | 5 | Sunrise:06:39 AM Sunset: 07:20 PM |
Moonrise:No moonrise Moonset: 09:53 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday | Sunny |
15.9 ° C (60.7°F) |
25.9 ° C (78.6°F) |
21 ° C (69.9°F) |
% 69 | 0% | 6 | Sunrise:06:38 AM Sunset: 07:21 PM |
Moonrise:12:52 AM Moonset: 10:44 AM Moon Phase ( Waning Gibbous ) |
|
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