Mostly cloudy
Feels like 26°C
Wind direction southwest
Gusts 33 km/h
Humidity 60%
Cloud cover 65%
Pressure 1016 hPa
Now · 12:43 PM
Saint-Louis Weather & Hourly Forecast
Canada · New Brunswick
25°C
Mostly cloudy
Feels like: 26°C
💧 Humidity 60%
🌡 Pressure 1016 hPa
💨 Wind 20 km/h
👁 Visibility 10.0 km
☁ Clouds 65%
☀️ UV index 5.0 · Moderate
🌅 Sunrise 6:35 AM
🌇 Sunset 8:08 PM
Hourly Forecast for Saint-Louis
Today
Mostly cloudy
Light rain
Feels like 25°C
Wind direction southwest
Gusts 29 km/h
Humidity 65%
Cloud cover 85%
Pressure 1015 hPa
Light rain
Feels like 23°C
Wind direction southwest
Gusts 41 km/h
Humidity 90%
Cloud cover 99%
Pressure 1014 hPa
Overcast night
Feels like 20°C
Wind direction south
Gusts 43 km/h
Humidity 95%
Cloud cover 100%
Pressure 1014 hPa
Tomorrow
Mostly cloudy night
Feels like 19°C
Wind direction southwest
Gusts 39 km/h
Humidity 97%
Cloud cover 80%
Pressure 1014 hPa
Light rain
Feels like 19°C
Wind direction west
Gusts 21 km/h
Humidity 98%
Cloud cover 100%
Pressure 1014 hPa
Overcast
Feels like 16°C
Wind direction northwest
Gusts 36 km/h
Humidity 95%
Cloud cover 100%
Pressure 1016 hPa
Mostly sunny
Feels like 16°C
Wind direction northwest
Gusts 32 km/h
Humidity 60%
Cloud cover 14%
Pressure 1018 hPa
Sunny
Feels like 21°C
Wind direction west
Gusts 22 km/h
Humidity 38%
Cloud cover 4%
Pressure 1017 hPa
Sunny
Feels like 22°C
Wind direction west
Gusts 24 km/h
Humidity 35%
Cloud cover 0%
Pressure 1017 hPa
Sunny
Feels like 19°C
Wind direction west
Gusts 25 km/h
Humidity 52%
Cloud cover 0%
Pressure 1017 hPa
Clear night
Feels like 15°C
Wind direction southwest
Gusts 25 km/h
Humidity 65%
Cloud cover 1%
Pressure 1018 hPa
Sunday
Partly cloudy night
Feels like 13°C
Wind direction southwest
Gusts 21 km/h
Humidity 71%
Cloud cover 45%
Pressure 1018 hPa
Overcast night
Feels like 12°C
Wind direction southwest
Gusts 26 km/h
Humidity 75%
Cloud cover 96%
Pressure 1017 hPa
Mostly cloudy
Feels like 14°C
Wind direction southwest
Gusts 44 km/h
Humidity 63%
Cloud cover 57%
Pressure 1016 hPa
Overcast
Feels like 17°C
Wind direction southwest
Gusts 47 km/h
Humidity 59%
Cloud cover 99%
Pressure 1015 hPa
Today
Mostly cloudy
Feels like 26°C
Wind direction southwestGusts 33 km/h
Humidity 60%Cloud cover 65%Pressure 1016 hPa
Mostly cloudy
Feels like 26°C
Wind direction southwestGusts 32 km/h
Humidity 59%Cloud cover 66%Pressure 1016 hPa
Mostly cloudy
Feels like 26°C
Wind direction southwestGusts 29 km/h
Humidity 58%Cloud cover 69%Pressure 1016 hPa
Light rain
Feels like 25°C
Wind direction southwestGusts 29 km/h
Humidity 65%Cloud cover 85%Pressure 1015 hPa
Moderate rain
Feels like 24°C
Wind direction southwestGusts 35 km/h
Humidity 80%Cloud cover 93%Pressure 1015 hPa
Moderate rain
Feels like 24°C
Wind direction southwestGusts 39 km/h
Humidity 87%Cloud cover 100%Pressure 1015 hPa
Light rain
Feels like 23°C
Wind direction southwestGusts 41 km/h
Humidity 90%Cloud cover 99%Pressure 1014 hPa
Light rain
Feels like 21°C
Wind direction southGusts 43 km/h
Humidity 93%Cloud cover 99%Pressure 1014 hPa
Light rain
Feels like 21°C
Wind direction southGusts 42 km/h
Humidity 95%Cloud cover 99%Pressure 1014 hPa
Overcast night
Feels like 20°C
Wind direction southGusts 43 km/h
Humidity 95%Cloud cover 100%Pressure 1014 hPa
Overcast night
Feels like 19°C
Wind direction southwestGusts 45 km/h
Humidity 95%Cloud cover 100%Pressure 1014 hPa
Tomorrow
Light rain
Feels like 19°C
Wind direction southwestGusts 44 km/h
Humidity 97%Cloud cover 72%Pressure 1014 hPa
Mostly cloudy night
Feels like 19°C
Wind direction southwestGusts 39 km/h
Humidity 97%Cloud cover 80%Pressure 1014 hPa
Light rain
Feels like 19°C
Wind direction southwestGusts 32 km/h
Humidity 98%Cloud cover 84%Pressure 1014 hPa
Light rain
Feels like 19°C
Wind direction southwestGusts 26 km/h
Humidity 98%Cloud cover 86%Pressure 1014 hPa
Light rain
Feels like 19°C
Wind direction westGusts 21 km/h
Humidity 98%Cloud cover 100%Pressure 1014 hPa
Light rain
Feels like 17°C
Wind direction northwestGusts 30 km/h
Humidity 96%Cloud cover 100%Pressure 1015 hPa
Light rain
Feels like 16°C
Wind direction northwestGusts 32 km/h
Humidity 96%Cloud cover 100%Pressure 1015 hPa
Overcast
Feels like 16°C
Wind direction northwestGusts 36 km/h
Humidity 95%Cloud cover 100%Pressure 1016 hPa
Overcast
Feels like 15°C
Wind direction northwestGusts 37 km/h
Humidity 91%Cloud cover 100%Pressure 1017 hPa
Overcast
Feels like 15°C
Wind direction northwestGusts 38 km/h
Humidity 85%Cloud cover 98%Pressure 1018 hPa
Mostly sunny
Feels like 16°C
Wind direction northwestGusts 32 km/h
Humidity 60%Cloud cover 14%Pressure 1018 hPa
Sunny
Feels like 18°C
Wind direction northwestGusts 24 km/h
Humidity 47%Cloud cover 8%Pressure 1018 hPa
Sunny
Feels like 20°C
Wind direction northwestGusts 23 km/h
Humidity 41%Cloud cover 5%Pressure 1018 hPa
Sunny
Feels like 21°C
Wind direction westGusts 22 km/h
Humidity 38%Cloud cover 4%Pressure 1017 hPa
Sunny
Feels like 22°C
Wind direction westGusts 23 km/h
Humidity 36%Cloud cover 3%Pressure 1017 hPa
Sunny
Feels like 22°C
Wind direction westGusts 23 km/h
Humidity 35%Cloud cover 3%Pressure 1017 hPa
Sunny
Feels like 22°C
Wind direction westGusts 24 km/h
Humidity 35%Cloud cover 0%Pressure 1017 hPa
Sunny
Feels like 22°C
Wind direction westGusts 23 km/h
Humidity 37%Cloud cover 0%Pressure 1016 hPa
Sunny
Feels like 21°C
Wind direction westGusts 22 km/h
Humidity 43%Cloud cover 0%Pressure 1017 hPa
Sunny
Feels like 19°C
Wind direction westGusts 25 km/h
Humidity 52%Cloud cover 0%Pressure 1017 hPa
Sunny
Feels like 16°C
Wind direction southwestGusts 21 km/h
Humidity 62%Cloud cover 0%Pressure 1017 hPa
Clear night
Feels like 15°C
Wind direction southwestGusts 29 km/h
Humidity 63%Cloud cover 1%Pressure 1018 hPa
Clear night
Feels like 15°C
Wind direction southwestGusts 25 km/h
Humidity 65%Cloud cover 1%Pressure 1018 hPa
Clear night
Feels like 14°C
Wind direction westGusts 23 km/h
Humidity 68%Cloud cover 3%Pressure 1018 hPa
Sunday
Partly cloudy night
Feels like 14°C
Wind direction southwestGusts 22 km/h
Humidity 70%Cloud cover 30%Pressure 1018 hPa
Partly cloudy night
Feels like 13°C
Wind direction southwestGusts 21 km/h
Humidity 71%Cloud cover 45%Pressure 1018 hPa
Mostly cloudy night
Feels like 13°C
Wind direction southwestGusts 19 km/h
Humidity 73%Cloud cover 57%Pressure 1018 hPa
Mostly cloudy night
Feels like 13°C
Wind direction southwestGusts 23 km/h
Humidity 75%Cloud cover 65%Pressure 1017 hPa
Overcast night
Feels like 12°C
Wind direction southwestGusts 26 km/h
Humidity 75%Cloud cover 96%Pressure 1017 hPa
Mostly cloudy night
Feels like 12°C
Wind direction southwestGusts 35 km/h
Humidity 75%Cloud cover 54%Pressure 1017 hPa
Partly cloudy night
Feels like 12°C
Wind direction southwestGusts 42 km/h
Humidity 72%Cloud cover 42%Pressure 1016 hPa
Mostly cloudy
Feels like 14°C
Wind direction southwestGusts 44 km/h
Humidity 63%Cloud cover 57%Pressure 1016 hPa
Mostly cloudy
Feels like 14°C
Wind direction southwestGusts 49 km/h
Humidity 60%Cloud cover 65%Pressure 1016 hPa
Mostly cloudy
Feels like 15°C
Wind direction southwestGusts 51 km/h
Humidity 59%Cloud cover 71%Pressure 1015 hPa
Overcast
Feels like 17°C
Wind direction southwestGusts 47 km/h
Humidity 59%Cloud cover 99%Pressure 1015 hPa
Overcast
Feels like 19°C
Wind direction southwestGusts 39 km/h
Humidity 54%Cloud cover 100%Pressure 1014 hPa
Mostly cloudy
Feels like 22°C
Wind direction southwestGusts 39 km/h
Humidity 49%Cloud cover 70%Pressure 1014 hPa
Mostly cloudy
Feels like 24°C
Wind direction westGusts 41 km/h
Humidity 44%Cloud cover 53%Pressure 1013 hPa
Partly cloudy
Feels like 24°C
Wind direction westGusts 41 km/h
Humidity 37%Cloud cover 45%Pressure 1012 hPa
Partly cloudy
Feels like 25°C
Wind direction westGusts 41 km/h
Humidity 35%Cloud cover 44%Pressure 1012 hPa
Partly cloudy
Feels like 25°C
Wind direction westGusts 42 km/h
Humidity 34%Cloud cover 32%Pressure 1011 hPa
Partly cloudy
Feels like 25°C
Wind direction westGusts 33 km/h
Humidity 38%Cloud cover 31%Pressure 1010 hPa
Light rain
Feels like 16°C
Wind direction southwestGusts 33 km/h
Humidity 88%Cloud cover 55%Pressure 1011 hPa
Light rain
Feels like 17°C
Wind direction southwestGusts 49 km/h
Humidity 93%Cloud cover 66%Pressure 1011 hPa
Light rain
Feels like 17°C
Wind direction westGusts 38 km/h
Humidity 91%Cloud cover 74%Pressure 1011 hPa
Light rain
Feels like 15°C
Wind direction northwestGusts 27 km/h
Humidity 96%Cloud cover 77%Pressure 1012 hPa
Overcast night
Feels like 15°C
Wind direction northwestGusts 8 km/h
Humidity 94%Cloud cover 100%Pressure 1012 hPa
Overcast night
Feels like 14°C
Wind direction northwestGusts 10 km/h
Humidity 94%Cloud cover 99%Pressure 1012 hPa
Monday
Overcast night
Feels like 14°C
Wind direction northwestGusts 15 km/h
Humidity 96%Cloud cover 98%Pressure 1012 hPa
Overcast night
Feels like 13°C
Wind direction northwestGusts 28 km/h
Humidity 95%Cloud cover 99%Pressure 1013 hPa
Overcast night
Feels like 12°C
Wind direction northwestGusts 37 km/h
Humidity 93%Cloud cover 99%Pressure 1013 hPa
Mostly cloudy night
Feels like 10°C
Wind direction northwestGusts 40 km/h
Humidity 93%Cloud cover 84%Pressure 1013 hPa
Partly cloudy night
Feels like 8°C
Wind direction northwestGusts 37 km/h
Humidity 93%Cloud cover 50%Pressure 1013 hPa
Partly cloudy night
Feels like 7°C
Wind direction northwestGusts 39 km/h
Humidity 93%Cloud cover 25%Pressure 1013 hPa
Mostly clear night
Feels like 7°C
Wind direction northwestGusts 39 km/h
Humidity 92%Cloud cover 17%Pressure 1013 hPa
Mostly sunny
Feels like 6°C
Wind direction westGusts 37 km/h
Humidity 93%Cloud cover 13%Pressure 1014 hPa
Sunny
Feels like 8°C
Wind direction westGusts 37 km/h
Humidity 89%Cloud cover 10%Pressure 1014 hPa
Sunny
Feels like 12°C
Wind direction northwestGusts 38 km/h
Humidity 78%Cloud cover 8%Pressure 1015 hPa
Sunny
Feels like 14°C
Wind direction northwestGusts 29 km/h
Humidity 61%Cloud cover 5%Pressure 1015 hPa
Sunny
Feels like 16°C
Wind direction northwestGusts 26 km/h
Humidity 53%Cloud cover 1%Pressure 1015 hPa
Mostly sunny
Feels like 17°C
Wind direction northwestGusts 25 km/h
Humidity 50%Cloud cover 22%Pressure 1015 hPa
Partly cloudy
Feels like 17°C
Wind direction northwestGusts 25 km/h
Humidity 49%Cloud cover 34%Pressure 1015 hPa
Partly cloudy
Feels like 17°C
Wind direction northGusts 25 km/h
Humidity 49%Cloud cover 46%Pressure 1015 hPa
Partly cloudy
Feels like 18°C
Wind direction northGusts 23 km/h
Humidity 46%Cloud cover 47%Pressure 1015 hPa
Partly cloudy
Feels like 19°C
Wind direction northGusts 22 km/h
Humidity 44%Cloud cover 44%Pressure 1015 hPa
Partly cloudy
Feels like 19°C
Wind direction northGusts 20 km/h
Humidity 45%Cloud cover 48%Pressure 1015 hPa
Mostly cloudy
Feels like 18°C
Wind direction northeastGusts 15 km/h
Humidity 54%Cloud cover 55%Pressure 1015 hPa
Mostly cloudy
Feels like 15°C
Wind direction eastGusts 12 km/h
Humidity 62%Cloud cover 68%Pressure 1016 hPa
Mostly cloudy
Feels like 14°C
Wind direction eastGusts 4 km/h
Humidity 66%Cloud cover 74%Pressure 1016 hPa
Mostly cloudy night
Feels like 14°C
Wind direction southGusts 1 km/h
Humidity 67%Cloud cover 78%Pressure 1017 hPa
Overcast night
Feels like 13°C
Wind direction westGusts 5 km/h
Humidity 71%Cloud cover 88%Pressure 1018 hPa
Partly cloudy night
Feels like 11°C
Wind direction westGusts 6 km/h
Humidity 80%Cloud cover 49%Pressure 1018 hPa
Tuesday
Partly cloudy night
Feels like 10°C
Wind direction westGusts 7 km/h
Humidity 84%Cloud cover 35%Pressure 1018 hPa
Partly cloudy night
Feels like 9°C
Wind direction northwestGusts 10 km/h
Humidity 86%Cloud cover 28%Pressure 1018 hPa
Mostly clear night
Feels like 9°C
Wind direction northwestGusts 11 km/h
Humidity 86%Cloud cover 23%Pressure 1018 hPa
Mostly clear night
Feels like 8°C
Wind direction northwestGusts 11 km/h
Humidity 87%Cloud cover 19%Pressure 1018 hPa
Clear night
Feels like 7°C
Wind direction northwestGusts 13 km/h
Humidity 88%Cloud cover 0%Pressure 1019 hPa
Clear night
Feels like 7°C
Wind direction northwestGusts 12 km/h
Humidity 88%Cloud cover 0%Pressure 1019 hPa
Clear night
Feels like 7°C
Wind direction northwestGusts 11 km/h
Humidity 88%Cloud cover 0%Pressure 1019 hPa
Sunny
Feels like 7°C
Wind direction northwestGusts 12 km/h
Humidity 87%Cloud cover 0%Pressure 1019 hPa
Sunny
Feels like 10°C
Wind direction northwestGusts 14 km/h
Humidity 77%Cloud cover 0%Pressure 1020 hPa
Sunny
Feels like 13°C
Wind direction northwestGusts 11 km/h
Humidity 64%Cloud cover 0%Pressure 1020 hPa
Sunny
Feels like 15°C
Wind direction northwestGusts 11 km/h
Humidity 53%Cloud cover 0%Pressure 1021 hPa
Sunny
Feels like 17°C
Wind direction northGusts 10 km/h
Humidity 44%Cloud cover 0%Pressure 1021 hPa
Sunny
Feels like 19°C
Wind direction northGusts 9 km/h
Humidity 39%Cloud cover 0%Pressure 1021 hPa
In Saint-Louis and, more broadly, across the province of New Brunswick: Cloudy skies are expected across the region for the rest of the day, with temperatures generally ranging from about 19 to 25 degrees Celsius. In many areas, there is a possibility of rain or showers, with model probabilities reaching up to 100%, and some locations could see up to 6.2 mm of rain. Winds are anticipated to come mainly from the southwest at speeds up to 19 km/h, with gusts reaching around 39 km/h in parts of the region. Be prepared for periods of rain and gusty conditions in the afternoon, especially in areas where showers occur.
15-Day Weather Outlook for Saint-Louis
TomorrowTomorrow
Light rain
23°/15°
💧 1.6 mm
💨 16 km/h
Light rain
23°/15°
💧 1.6 mm
💨 16 km/h
Daytime temperature 22°C
Feels like 21°C
Humidity 38%
Pressure 1017 hPa
Cloud cover 4%
Wind direction west
Gusts 44 km/h
Sunrise 6:36 AM
Sunset 8:06 PM
Sunday, Aug 30Sun Aug 30
Light rain
25°/12°
💧 3.0 mm
💨 24 km/h
Light rain
25°/12°
💧 3.0 mm
💨 24 km/h
Daytime temperature 24°C
Feels like 24°C
Humidity 44%
Pressure 1013 hPa
Cloud cover 53%
Wind direction west
Gusts 51 km/h
Sunrise 6:37 AM
Sunset 8:04 PM
Monday, Aug 31Mon Aug 31
Mostly sunny
19°/8°
💧 None
💨 17 km/h
Mostly sunny
19°/8°
💧 None
💨 17 km/h
Daytime temperature 18°C
Feels like 17°C
Humidity 50%
Pressure 1015 hPa
Cloud cover 22%
Wind direction northwest
Gusts 40 km/h
Sunrise 6:38 AM
Sunset 8:02 PM
Tuesday, Sep 1Tue Sep 1
Sunny
20°/8°
💧 None
💨 14 km/h
Sunny
20°/8°
💧 None
💨 14 km/h
Daytime temperature 20°C
Feels like 19°C
Humidity 39%
Pressure 1021 hPa
Cloud cover 0%
Wind direction east
Gusts 17 km/h
Sunrise 6:40 AM
Sunset 8:00 PM
Wednesday, Sep 2Wed Sep 2
Partly cloudy
23°/9°
💧 None
💨 14 km/h
Partly cloudy
23°/9°
💧 None
💨 14 km/h
Daytime temperature 20°C
Feels like 20°C
Humidity 46%
Pressure 1023 hPa
Cloud cover 39%
Wind direction southeast
Gusts 23 km/h
Sunrise 6:41 AM
Sunset 7:59 PM
Thursday, Sep 3Thu Sep 3
Moderate rain
15°/13°
💧 17 mm
💨 29 km/h
Moderate rain
15°/13°
💧 17 mm
💨 29 km/h
Daytime temperature 15°C
Feels like 15°C
Humidity 97%
Pressure 1012 hPa
Cloud cover 100%
Wind direction southeast
Gusts 57 km/h
Sunrise 6:42 AM
Sunset 7:57 PM
Friday, Sep 4Fri Sep 4
Moderate rain
18°/15°
💧 20 mm
💨 34 km/h
Moderate rain
18°/15°
💧 20 mm
💨 34 km/h
Daytime temperature 18°C
Feels like 18°C
Humidity 99%
Pressure 1001 hPa
Cloud cover 100%
Wind direction northeast
Gusts 60 km/h
Sunrise 6:44 AM
Sunset 7:55 PM
Saturday, Sep 5Sat Sep 5
Moderate rain
14°/14°
💧 13 mm
💨 34 km/h
Moderate rain
14°/14°
💧 13 mm
💨 34 km/h
Daytime temperature 14°C
Feels like 14°C
Humidity 89%
Pressure 1009 hPa
Cloud cover 100%
Wind direction northeast
Gusts 63 km/h
Sunrise 6:45 AM
Sunset 7:53 PM
Sunday, Sep 6Sun Sep 6
Light rain
15°/14°
💧 4.5 mm
💨 27 km/h
Light rain
15°/14°
💧 4.5 mm
💨 27 km/h
Daytime temperature 15°C
Feels like 15°C
Humidity 96%
Pressure 1009 hPa
Cloud cover 100%
Wind direction northeast
Gusts 50 km/h
Sunrise 6:46 AM
Sunset 7:51 PM
Monday, Sep 7Mon Sep 7
Light rain
15°/14°
💧 1.4 mm
💨 20 km/h
Light rain
15°/14°
💧 1.4 mm
💨 20 km/h
Daytime temperature 15°C
Feels like 15°C
Humidity 93%
Pressure 1011 hPa
Cloud cover 100%
Wind direction north
Gusts 42 km/h
Sunrise 6:47 AM
Sunset 7:49 PM
Tuesday, Sep 8Tue Sep 8
Overcast
21°/12°
💧 None
💨 11 km/h
Overcast
21°/12°
💧 None
💨 11 km/h
Daytime temperature 19°C
Feels like 18°C
Humidity 67%
Pressure 1009 hPa
Cloud cover 100%
Wind direction east
Gusts 25 km/h
Sunrise 6:49 AM
Sunset 7:47 PM
Wednesday, Sep 9Wed Sep 9
Moderate rain
18°/14°
💧 10 mm
💨 10 km/h
Moderate rain
18°/14°
💧 10 mm
💨 10 km/h
Daytime temperature 18°C
Feels like 18°C
Humidity 86%
Pressure 1004 hPa
Cloud cover 100%
Wind direction northwest
Gusts 27 km/h
Sunrise 6:50 AM
Sunset 7:45 PM
Thursday, Sep 10Thu Sep 10
Light rain
13°/9°
💧 0.5 mm
💨 29 km/h
Light rain
13°/9°
💧 0.5 mm
💨 29 km/h
Daytime temperature 11°C
Feels like 10°C
Humidity 74%
Pressure 1001 hPa
Cloud cover 100%
Wind direction west
Gusts 57 km/h
Sunrise 6:51 AM
Sunset 7:43 PM
Friday, Sep 11Fri Sep 11
Sunny
16°/7°
💧 None
💨 25 km/h
Sunny
16°/7°
💧 None
💨 25 km/h
Daytime temperature 14°C
Feels like 12°C
Humidity 42%
Pressure 1014 hPa
Cloud cover 5%
Wind direction west
Gusts 56 km/h
Sunrise 6:53 AM
Sunset 7:41 PM
Saturday, Sep 12Sat Sep 12
Sunny
20°/5°
💧 None
💨 10 km/h
Sunny
20°/5°
💧 None
💨 10 km/h
Daytime temperature 17°C
Feels like 16°C
Humidity 43%
Pressure 1017 hPa
Cloud cover 0%
Wind direction west
Gusts 30 km/h
Sunrise 6:54 AM
Sunset 7:39 PM
TEMPERATURE OUTLOOK
Temperature & Weather Trends in Saint-Louis
AIR QUALITY FORECAST
Air Quality Forecast for Saint-Louis
Fair
Nearest forecast value
1:00 PM
PM2.5 Fine particles Good 3,7µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 5,3µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 83,0µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 1,1µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
Fair
Selected time
12:00 AM
PM2.5 Fine particles Good 2,8µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 3,1µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 62,2µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 2,0µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
Good
Selected time
12:00 AM
PM2.5 Fine particles Good 0,6µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 0,7µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 29,3µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 2,8µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is favorable for outdoor activities.
Good
Selected time
12:00 AM
PM2.5 Fine particles Good 2,7µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 2,8µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 34,7µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 2,2µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is favorable for outdoor activities.
Good
Selected time
12:00 AM
PM2.5 Fine particles Good 0,5µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 0,5µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 24,9µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 1,4µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is favorable for outdoor activities.
UV & HEALTH
UV, Sun & Health Outlook in Saint-Louis
Maximum daily UV
Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low
3–5 Moderate
6–7 High
8–10 Very high
11+ Extreme
Today
UV 6,0High
🙂Fair
Tomorrow
UV 6,0High
🙂Fair
Sunday
UV 6,0High
🙂Fair
Monday
UV 6,0High
😊Good
Tuesday
UV 5,0Moderate
😊Good
Wednesday
UV 5,0Moderate
—Unavailable
Thursday
UV 3,0Moderate
—Unavailable
Hourly UV index today
1:00 PMUV 6,0
2:00 PMUV 6,0
3:00 PMUV 6,0
4:00 PMUV 6,0
5:00 PMUV 5,0
6:00 PMUV 5,0
7:00 PMUV 5,0
Today's weather health advice
Open today's recommendations.
Strong UV exposure
Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.
Acceptable air quality
Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.
Comfortable temperature conditions
Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.
Good conditions for outdoor activities
Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.
WIND OUTLOOK
Hourly Wind Forecast for Saint-Louis
Sustained wind
Max gusts
Internal PR simulation:
3.90
Population: 1,760
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Forecast data for Saint-Louis were last refreshed today at 12:43 PM. The current forecast period extends through 30/08/2026 at 10:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.