Weather for Bay St. Louis, Mississippi
Current Weather
Humidity: 90%
Feels Like: 83.5°F
Wind: NNE 3.4 mph
Wind Gusts: 6.3 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast
Wed
H: 97°F
L: 79°F
Thu
H: 98°F
L: 80°F
Fri
H: 82°F
L: 75°F
Sat
H: 88°F
L: 74°F
Sun
H: 90°F
L: 75°F
Air Quality
Nitrogen Dioxide: 5.18 μg/m3
Sulphur Dioxide: 3.89 μg/m3
Ozone: 80 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 6 mins
Moon Transit: 1:20 PM
Moonset: 8:50 PM
Moon Phase: New
Moon Illumination: 1.6%
Best Times for Fishing or Hunting
Major Periods
12:24 AM - 2:54 AM12:50 AM - 3:20 PM
Minor Periods
8:20 PM - 9:50 PM5:19 AM - 6:49 AM
Action Rating: 4 out of 5
Heat Advisory issued June 24 at 11:31PM CDT until June 25 at 7:00PM CDT by NWS New Orleans LA
Effective: Tue June 24, 2025, 11:31 PM
Expires: Wed June 25, 2025, 7:45 AM
* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Louisiana around Lake Pontchartrain and southern and coastal Mississippi. * WHEN...From 10 AM to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Heat Advisory issued June 24 at 11:31PM CDT until June 25 at 7:00PM CDT by NWS New Orleans LA
Effective: Tue June 24, 2025, 11:31 PM
Expires: Wed June 25, 2025, 7:45 AM
* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Louisiana around Lake Pontchartrain and southern and coastal Mississippi. * WHEN...From 10 AM to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Heat Advisory issued June 24 at 11:31PM CDT until June 25 at 7:00PM CDT by NWS New Orleans LA
Effective: Tue June 24, 2025, 11:31 PM
Expires: Wed June 25, 2025, 7:45 AM
* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Louisiana around Lake Pontchartrain and southern and coastal Mississippi. * WHEN...From 10 AM to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Heat Advisory issued June 24 at 11:31PM CDT until June 25 at 7:00PM CDT by NWS New Orleans LA
Effective: Tue June 24, 2025, 11:31 PM
Expires: Wed June 25, 2025, 7:45 AM
* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Louisiana around Lake Pontchartrain and southern and coastal Mississippi. * WHEN...From 10 AM to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Heat Advisory issued June 24 at 11:31PM CDT until June 25 at 7:00PM CDT by NWS New Orleans LA
Effective: Tue June 24, 2025, 11:31 PM
Expires: Wed June 25, 2025, 7:45 AM
* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Louisiana around Lake Pontchartrain and southern and coastal Mississippi. * WHEN...From 10 AM to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Weather Forecast
Average Temperature: 86.5°F
Average Humidity: 70%
Wind: 8.7 mph
UV Index: 2.8
Air Quality
Nitrogen Dioxide: 7.6 μg/m3
Sulphur Dioxide: 3.04 μg/m3
Ozone: 82.64 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 6 mins
Moon Transit: 1:20 PM
Moonset: 8:50 PM
Moon Phase: New
Moon Illumination: 1.6%
Best Times for Fishing or Hunting
Major Periods
12:24 AM - 2:54 AM12:50 AM - 3:20 PM
Minor Periods
8:20 PM - 9:50 PM5:19 AM - 6:49 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 87.4°F
Average Humidity: 68%
Wind: 9.2 mph
UV Index: 2.7
Air Quality
Nitrogen Dioxide: 14.03 μg/m3
Sulphur Dioxide: 3.63 μg/m3
Ozone: 81.4 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 6 mins
Moon Transit: 2:22 PM
Moonset: 9:40 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
1:27 AM - 3:57 AM1:52 PM - 4:22 PM
Minor Periods
9:10 PM - 10:40 PM6:28 AM - 7:58 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 79.2°F
Average Humidity: 83%
Wind: 13 mph
UV Index: 1.8
Air Quality
Nitrogen Dioxide: 6.65 μg/m3
Sulphur Dioxide: 4.37 μg/m3
Ozone: 126.96 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 6 mins
Moon Transit: 3:18 PM
Moonset: 10:23 PM
Moon Phase: New
Moon Illumination: 2.0%
Best Times for Fishing or Hunting
Major Periods
2:26 AM - 4:56 AM2:48 PM - 5:18 PM
Minor Periods
9:53 PM - 11:23 PM7:37 AM - 9:07 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 80.7°F
Average Humidity: 75%
Wind: 11.4 mph
UV Index: 2.8
Air Quality
Nitrogen Dioxide: 10.47 μg/m3
Sulphur Dioxide: 1.98 μg/m3
Ozone: 73.31 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 5 mins
Moon Transit: 4:09 PM
Moonset: 10:58 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.5%
Best Times for Fishing or Hunting
Major Periods
3:20 AM - 5:50 AM3:39 PM - 6:09 PM
Minor Periods
10:28 PM - 11:58 PM8:42 AM - 10:12 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 79.6°F
Average Humidity: 80%
Wind: 8.7 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 5 mins
Moon Transit: 4:55 PM
Moonset: 11:28 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.1%
Best Times for Fishing or Hunting
Major Periods
4:08 AM - 6:38 AM4:25 PM - 6:55 PM
Minor Periods
12:00 AM - 12:00 AM9:45 AM - 11:15 AM
Action Rating: 2 out of 5