Currently: 48 °F. Mostly cloudy. (Weather station: Gulfport-Biloxi Regional Airport, USA). See more current weatherPast Weather in Bay St. Louis — Graph
Bay St. Louis Temperature Yesterday
Maximum temperature yesterday: 51 °F (at 10:53 am)
Minimum temperature yesterday: 47 °F (at 12:39 am)
Average temperature yesterday: 49 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 80 °F (Nov 22, 1:53 pm) | 100% (Nov 22, 2:53 am) | 30.48 "Hg (Nov 22, 2:53 am) |
| Low | 37 °F (Nov 28, 3:53 am) | 20% (Nov 27, 1:53 pm) | 29.87 "Hg (Dec 2, 12:53 am) |
| Average | 58 °F | 80% | 30.10 "Hg |
| * Reported Nov 21 7:53 am — Dec 6 7:20 am, Bay St. Louis. Weather by CustomWeather, © 2025 | |||
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 | ||
| 7:20 am Sat, Dec 6 |  | 48 °F | Low clouds. | 5 mph | ↑ | 96% | 30.04 "Hg | 9 mi |
| 6:53 am | | 48 °F | Mostly cloudy. | 5 mph | ↑ | 96% | 30.03 "Hg | 10 mi |
| 5:53 am |  | 48 °F | Overcast. | 5 mph | ↑ | 93% | 30.01 "Hg | 10 mi |
| 5:21 am | | 48 °F | Mostly cloudy. | 5 mph | ↑ | 96% | 30.00 "Hg | 10 mi |
| 4:53 am | | 48 °F | Low clouds. | 3 mph | ↑ | 96% | 30.01 "Hg | 8 mi |
| 4:12 am |  | 48 °F | Light rain. Low clouds. | 7 mph | ↑ | 96% | 30.01 "Hg | 7 mi |
| 3:53 am | | 48 °F | Low clouds. | 6 mph | ↑ | 96% | 30.01 "Hg | 9 mi |
| 3:18 am | | 48 °F | Low clouds. | 5 mph | ↑ | 96% | 30.01 "Hg | 10 mi |
| 3:00 am | | 48 °F | Low clouds. | 3 mph | ↑ | 96% | 30.01 "Hg | 10 mi |
| 1:53 am | | 48 °F | Low clouds. | 7 mph | ↑ | 96% | 30.01 "Hg | 10 mi |
| 12:53 am | | 48 °F | Low clouds. | No wind | ↑ | 96% | 30.01 "Hg | 10 mi |
| 11:53 pm Fri, Dec 5 | | 48 °F | Low clouds. | 5 mph | ↑ | 96% | 30.01 "Hg | 10 mi |
| 10:53 pm | | 49 °F | Low clouds. | 5 mph | ↑ | 93% | 30.00 "Hg | 10 mi |
| 9:53 pm | | 49 °F | Light rain. Mostly cloudy. | 7 mph | ↑ | 93% | 30.01 "Hg | 8 mi |
| 9:11 pm | | 49 °F | Light rain. Mostly cloudy. | 3 mph | ↑ | 93% | 30.05 "Hg | 10 mi |
| 8:53 pm | | 49 °F | Mostly cloudy. | No wind | ↑ | 93% | 30.04 "Hg | 10 mi |
| 8:33 pm | | 49 °F | Light rain. Mostly cloudy. | 6 mph | ↑ | 93% | 30.05 "Hg | 10 mi |
| 8:19 pm | | 49 °F | Mostly cloudy. | No wind | ↑ | 90% | 30.04 "Hg | 10 mi |
| 7:53 pm | | 49 °F | Low clouds. | 6 mph | ↑ | 93% | 30.05 "Hg | 10 mi |
| 6:53 pm | | 50 °F | Mostly cloudy. | 6 mph | ↑ | 89% | 30.03 "Hg | 10 mi |
| 6:36 pm | | 50 °F | Mostly cloudy. | 6 mph | ↑ | 89% | 30.03 "Hg | 10 mi |
| 6:23 pm | | 50 °F | Mostly cloudy. | 5 mph | ↑ | 89% | 30.03 "Hg | 10 mi |
| 5:53 pm | | 50 °F | Mostly cloudy. | 6 mph | ↑ | 89% | 30.03 "Hg | 10 mi |
| 4:53 pm | | 50 °F | Partly sunny. | 5 mph | ↑ | 89% | 30.02 "Hg | 10 mi |
| 4:05 pm | | 51 °F | Overcast. | 5 mph | ↑ | 86% | 30.02 "Hg | 10 mi |
| 2:53 pm | | 51 °F | Overcast. | No wind | ↑ | 83% | 30.03 "Hg | 10 mi |
| 2:09 pm | | 50 °F | Mostly cloudy. | No wind | ↑ | 86% | 30.01 "Hg | 10 mi |
| 1:53 pm | | 50 °F | More clouds than sun. | 14 mph | ↑ | 86% | 29.97 "Hg | 10 mi |
| 12:53 pm | | 51 °F | Partly sunny. | 14 mph | ↑ | 86% | 29.99 "Hg | 10 mi |
| 12:18 pm |  | 50 °F | Light rain. Mostly cloudy. | 9 mph | ↑ | 89% | 30.02 "Hg | 10 mi |
| 11:53 am | | 50 °F | Broken clouds. | 7 mph | ↑ | 89% | 30.03 "Hg | 10 mi |
| 10:53 am | | 51 °F | Overcast. | 7 mph | ↑ | 83% | 30.08 "Hg | 10 mi |
| 9:53 am | | 50 °F | Partly sunny. | 3 mph | ↑ | 86% | 30.07 "Hg | 10 mi |
| 9:06 am | | 49 °F | Overcast. | 9 mph | ↑ | 90% | 30.06 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||