Currently: 64 °F. Scattered clouds. (Weather station: Stennis International Airport, USA). See more current weatherPast Weather in Bay St. Louis — Graph
Bay St. Louis Temperature Yesterday
Maximum temperature yesterday: 63 °F (at 12:50 pm)
Minimum temperature yesterday: 30 °F (at 6:47 am)
Average temperature yesterday: 50 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 81 °F (Jan 9, 12:47 pm) | 100% (Jan 7, 6:50 am) | 30.51 "Hg (Jan 7, 6:50 am) |
| Low | 30 °F (Jan 15, 8:50 pm) | 21% (Jan 19, 1:50 pm) | 29.83 "Hg (Jan 14, 1:50 pm) |
| Average | 59 °F | 65% | 30.16 "Hg |
| * Reported Jan 7 6:50 am — Jan 21 4:47 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 | ||
| 4:47 pm Wed, Jan 21 |  | 64 °F | Scattered clouds. | 6 mph | ↑ | 78% | 30.18 "Hg | 10 mi |
| 3:50 pm | | 64 °F | Scattered clouds. | 9 mph | ↑ | 73% | 30.18 "Hg | 10 mi |
| 2:50 pm |  | 66 °F | Sunny. | 12 mph | ↑ | 68% | 30.17 "Hg | 10 mi |
| 1:50 pm | | 66 °F | Sunny. | 13 mph | ↑ | 64% | 30.20 "Hg | 10 mi |
| 12:50 pm | | 68 °F | Sunny. | 14 mph | ↑ | 56% | 30.23 "Hg | 10 mi |
| 11:50 am | | 68 °F | Sunny. | 14 mph | ↑ | 56% | 30.28 "Hg | 10 mi |
| 10:50 am | | 66 °F | Sunny. | 12 mph | ↑ | 60% | 30.30 "Hg | 10 mi |
| 9:50 am | | 54 °F | Sunny. | 5 mph | ↑ | 77% | 30.32 "Hg | 10 mi |
| 8:50 am | | 54 °F | Sunny. | 5 mph | ↑ | 77% | 30.32 "Hg | 10 mi |
| 7:50 am | | 45 °F | Sunny. | No wind | ↑ | 87% | 30.33 "Hg | 10 mi |
| 6:50 am |  | 39 °F | Passing clouds. | No wind | ↑ | 93% | 30.33 "Hg | 7 mi |
| 8:50 pm Tue, Jan 20 |  | 39 °F | Clear. | No wind | ↑ | 93% | 30.40 "Hg | 10 mi |
| 7:50 pm | | 39 °F | Clear. | No wind | ↑ | 93% | 30.41 "Hg | 10 mi |
| Weather by CustomWeather, © 2026 | ||||||||