Currently: 68 °F. Clear. (Weather station: Stennis International Airport, USA). See more current weatherPast Weather in Bay St. Louis — Graph
Bay St. Louis Temperature Yesterday
Maximum temperature yesterday: 77 °F (at 1:47 pm)
Minimum temperature yesterday: 48 °F (at 7:47 am)
Average temperature yesterday: 69 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 82 °F (Mar 10, 12:50 pm) | 100% (Mar 10, 6:50 am) | 30.36 "Hg (Mar 10, 6:50 am) |
| Low | 36 °F (Mar 18, 6:50 am) | 19% (Mar 17, 4:50 pm) | 29.72 "Hg (Mar 15, 7:50 pm) |
| Average | 66 °F | 63% | 30.10 "Hg |
| * Reported Mar 6 6:55 pm — Mar 21 7:55 pm, Bay St. Louis. Weather by CustomWeather, © 2026 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Bay St. Louis Weather History for the Previous 24 Hours
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 7:55 pm Sat, Mar 21 | | 68 °F | Clear. | 8 mph | ↑ | 78% | 30.02 "Hg | 10 mi |
| 6:47 pm |  | 72 °F | Sunny. | 9 mph | ↑ | 65% | 30.01 "Hg | 10 mi |
| 4:47 pm | | 79 °F | Sunny. | 12 mph | ↑ | 45% | 30.01 "Hg | 10 mi |
| 3:47 pm | | 81 °F | Sunny. | 12 mph | ↑ | 39% | 30.03 "Hg | 10 mi |
| 1:47 pm | | 79 °F | Sunny. | 12 mph | ↑ | 48% | 30.08 "Hg | 10 mi |
| 12:47 pm | | 79 °F | Sunny. | 12 mph | ↑ | 48% | 30.10 "Hg | 10 mi |
| 11:47 am | | 77 °F | Sunny. | 7 mph | ↑ | 51% | 30.11 "Hg | 10 mi |
| 10:47 am | | 73 °F | Sunny. | 6 mph | ↑ | 57% | 30.13 "Hg | 10 mi |
| 9:47 am | | 68 °F | Sunny. | 6 mph | ↑ | 69% | 30.13 "Hg | 10 mi |
| 8:47 am | | 63 °F | Sunny. | No wind | ↑ | 83% | 30.12 "Hg | 10 mi |
| Weather by CustomWeather, © 2026 | ||||||||