Feels like22°CWind direction northwestGusts —Humidity 46%Cloud cover 13%Pressure 1018 hPa
Saturday
Overcast night
18°💧 None💨 9 km/hH 69%1017 hPa
Feels like17°CWind direction westGusts —Humidity 69%Cloud cover 96%Pressure 1017 hPa
Sunny
12°💧 None💨 16 km/hH 51%1021 hPa
Feels like8°CWind direction northGusts —Humidity 51%Cloud cover 0%Pressure 1021 hPa
Sunny
10°💧 None💨 11 km/hH 65%1024 hPa
Feels like6°CWind direction northGusts —Humidity 65%Cloud cover 0%Pressure 1024 hPa
Clear night
15°💧 None💨 9 km/hH 42%1023 hPa
Feels like12°CWind direction northGusts —Humidity 42%Cloud cover 4%Pressure 1023 hPa
Sunday
Mostly cloudy night
11°💧 None💨 5 km/hH 59%1022 hPa
Feels like9°CWind direction eastGusts —Humidity 59%Cloud cover 94%Pressure 1022 hPa
Overcast
8°💧 None💨 6 km/hH 82%1021 hPa
Feels like6°CWind direction southeastGusts —Humidity 82%Cloud cover 97%Pressure 1021 hPa
Sunny
8°💧 None💨 5 km/hH 81%1021 hPa
Feels like6°CWind direction northeastGusts —Humidity 81%Cloud cover 0%Pressure 1021 hPa
Clear night
18°💧 None💨 4 km/hH 38%1020 hPa
Feels like16°CWind direction northwestGusts —Humidity 38%Cloud cover 0%Pressure 1020 hPa
Monday
Mostly clear night
13°💧 None💨 4 km/hH 61%1021 hPa
Feels like12°CWind direction southGusts —Humidity 61%Cloud cover 30%Pressure 1021 hPa
Sunny
10°💧 None💨 11 km/hH 86%1024 hPa
Feels like8°CWind direction northGusts —Humidity 86%Cloud cover 5%Pressure 1024 hPa
Sunny
9°💧 None💨 7 km/hH 89%1027 hPa
Feels like7°CWind direction northeastGusts —Humidity 89%Cloud cover 2%Pressure 1027 hPa
Clear night
20°💧 None💨 6 km/hH 44%1026 hPa
Feels like18°CWind direction southGusts —Humidity 44%Cloud cover 9%Pressure 1026 hPa
Tuesday
Clear night
15°💧 None💨 2 km/hH 64%1023 hPa
Feels like14°CWind direction southeastGusts —Humidity 64%Cloud cover 0%Pressure 1023 hPa
Overcast
13°💧 None💨 13 km/hH 74%1023 hPa
Feels like10°CWind direction southGusts —Humidity 74%Cloud cover 100%Pressure 1023 hPa
Overcast
14°💧 None💨 12 km/hH 80%1023 hPa
Feels like12°CWind direction southGusts —Humidity 80%Cloud cover 100%Pressure 1023 hPa
Overcast night
19°💧 None💨 11 km/hH 55%1023 hPa
Feels like17°CWind direction southwestGusts —Humidity 55%Cloud cover 100%Pressure 1023 hPa
Wednesday
Overcast night
15°💧 None💨 6 km/hH 77%1023 hPa
Feels like15°CWind direction southGusts —Humidity 77%Cloud cover 100%Pressure 1023 hPa
Overcast
13°💧 None💨 18 km/hH 59%1025 hPa
Feels like9°CWind direction northeastGusts —Humidity 59%Cloud cover 100%Pressure 1025 hPa
Sunny
10°💧 None💨 14 km/hH 71%1028 hPa
Feels like5°CWind direction northeastGusts —Humidity 71%Cloud cover 0%Pressure 1028 hPa
Partly cloudy night
17°💧 None💨 15 km/hH 41%1028 hPa
Feels like13°CWind direction northeastGusts —Humidity 41%Cloud cover 66%Pressure 1028 hPa
Thursday
Clear night
12°💧 None💨 12 km/hH 63%1028 hPa
Feels like9°CWind direction northeastGusts —Humidity 63%Cloud cover 0%Pressure 1028 hPa
Sunny
9°💧 None💨 11 km/hH 81%1029 hPa
Feels like6°CWind direction northeastGusts —Humidity 81%Cloud cover 0%Pressure 1029 hPa
Sunny
10°💧 None💨 8 km/hH 75%1031 hPa
Feels like8°CWind direction northeastGusts —Humidity 75%Cloud cover 9%Pressure 1031 hPa
Mostly clear night
20°💧 None💨 5 km/hH 44%1030 hPa
Feels like19°CWind direction southeastGusts —Humidity 44%Cloud cover 38%Pressure 1030 hPa
Friday
Clear night
14°💧 None💨 5 km/hH 68%1029 hPa
Feels like13°CWind direction southeastGusts —Humidity 68%Cloud cover 5%Pressure 1029 hPa
Mostly sunny
11°💧 None💨 11 km/hH 85%1030 hPa
Feels like8°CWind direction southGusts —Humidity 85%Cloud cover 14%Pressure 1030 hPa
Mostly cloudy
10°💧 None💨 8 km/hH 75%1030 hPa
Feels like7°CWind direction southeastGusts —Humidity 75%Cloud cover 83%Pressure 1030 hPa
Overcast night
19°💧 None💨 9 km/hH 35%1026 hPa
Feels like16°CWind direction southeastGusts —Humidity 35%Cloud cover 100%Pressure 1026 hPa
Saturday
Mostly clear night
14°💧 None💨 7 km/hH 72%1023 hPa
Feels like13°CWind direction southGusts —Humidity 72%Cloud cover 17%Pressure 1023 hPa
Overcast
14°💧 None💨 15 km/hH 74%1020 hPa
Feels like11°CWind direction southGusts —Humidity 74%Cloud cover 99%Pressure 1020 hPa
Overcast
16°💧 None💨 17 km/hH 75%1018 hPa
Feels like13°CWind direction southGusts —Humidity 75%Cloud cover 100%Pressure 1018 hPa
Light rain
18°💧 None💨 18 km/hH 89%1015 hPa
Feels like16°CWind direction southGusts —Humidity 89%Cloud cover 100%Pressure 1015 hPa
Sunday
Moderate rain
17°💧 None💨 10 km/hH 98%1013 hPa
Feels like17°CWind direction southGusts —Humidity 98%Cloud cover 100%Pressure 1013 hPa
Light rain
16°💧 None💨 3 km/hH 99%1008 hPa
Feels like17°CWind direction northeastGusts —Humidity 99%Cloud cover 100%Pressure 1008 hPa
Overcast
16°💧 None💨 7 km/hH 100%1008 hPa
Feels like16°CWind direction westGusts —Humidity 100%Cloud cover 100%Pressure 1008 hPa
In Saint-Louis and, more broadly, across the province of Quebec:
This evening across the region, mainly cloudy skies are expected to persist, with temperatures ranging from approximately 19 to 23 degrees Celsius. Conditions are generally dry in many areas, with no significant precipitation anticipated for the next few hours. Winds are forecast to be light and variable, predominantly from the south at around 9 km/h, with occasional gusts reaching up to 25 km/h. While the weather remains relatively calm, it’s worth noting that gusty conditions could occur in some parts of the region. Overall, it should be a mild evening with no notable weather hazards.
15-Day Weather Outlook for Saint-Louis
Monday, Sep 14Mon Sep 14Mostly cloudy20°/12°💧 None💨 19 km/h
Daytime temperature 13°CFeels like 10°CHumidity 72%Pressure 1013 hPaCloud cover 59%Wind direction northwestGusts 38 km/hSunrise —Sunset —
Tuesday, Sep 15Tue Sep 15Mostly sunny20°/8°💧 3.1 mm💨 16 km/h
Daytime temperature 11°CFeels like 9°CHumidity 76%Pressure 1025 hPaCloud cover 33%Wind direction southeastGusts 33 km/hSunrise —Sunset —
Wednesday, Sep 16Wed Sep 16Overcast24°/17°💧 0.2 mm💨 20 km/h
Daytime temperature 17°CFeels like 16°CHumidity 66%Pressure 1023 hPaCloud cover 96%Wind direction southGusts 39 km/hSunrise —Sunset —
Thursday, Sep 17Thu Sep 17Overcast20°/14°💧 0.5 mm💨 9 km/h
Daytime temperature 14°CFeels like 15°CHumidity 91%Pressure 1026 hPaCloud cover 98%Wind direction eastGusts 19 km/hSunrise —Sunset —
Friday, Sep 18Fri Sep 18Overcast22°/13°💧 None💨 6 km/h
Daytime temperature 13°CFeels like 13°CHumidity 90%Pressure 1021 hPaCloud cover 84%Wind direction northGusts 20 km/hSunrise —Sunset —
Saturday, Sep 19Sat Sep 19Overcast18°/10°💧 None💨 16 km/h
Daytime temperature 10°CFeels like 6°CHumidity 57%Pressure 1021 hPaCloud cover 25%Wind direction northGusts —Sunrise —Sunset —
Sunday, Sep 20Sun Sep 20Mostly cloudy18°/8°💧 None💨 6 km/h
Daytime temperature 8°CFeels like 6°CHumidity 65%Pressure 1021 hPaCloud cover 48%Wind direction northeastGusts —Sunrise —Sunset —
Monday, Sep 21Mon Sep 21Mostly sunny20°/9°💧 None💨 11 km/h
Daytime temperature 9°CFeels like 7°CHumidity 70%Pressure 1024 hPaCloud cover 12%Wind direction northeastGusts —Sunrise —Sunset —
Tuesday, Sep 22Tue Sep 22Overcast19°/13°💧 None💨 13 km/h
Daytime temperature 14°CFeels like 12°CHumidity 68%Pressure 1023 hPaCloud cover 75%Wind direction southGusts —Sunrise —Sunset —
Wednesday, Sep 23Wed Sep 23Overcast17°/10°💧 0.0 mm💨 18 km/h
Daytime temperature 10°CFeels like 5°CHumidity 62%Pressure 1026 hPaCloud cover 66%Wind direction northeastGusts —Sunrise —Sunset —
Thursday, Sep 24Thu Sep 24Mostly sunny20°/9°💧 None💨 12 km/h
Daytime temperature 10°CFeels like 8°CHumidity 66%Pressure 1030 hPaCloud cover 12%Wind direction northeastGusts —Sunrise —Sunset —
Friday, Sep 25Fri Sep 25Mostly sunny19°/10°💧 None💨 11 km/h
Daytime temperature 10°CFeels like 7°CHumidity 66%Pressure 1029 hPaCloud cover 50%Wind direction southeastGusts —Sunrise —Sunset —
Saturday, Sep 26Sat Sep 26Light rain18°/14°💧 0.8 mm💨 18 km/h
Daytime temperature 16°CFeels like 13°CHumidity 78%Pressure 1019 hPaCloud cover 79%Wind direction southGusts —Sunrise —Sunset —
Sunday, Sep 27Sun Sep 27Moderate rain17°/16°💧 24 mm💨 10 km/h
Daytime temperature 16°CFeels like 16°CHumidity 99%Pressure 1010 hPaCloud cover 100%Wind direction westGusts —Sunrise —Sunset —
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
✓Air quality is acceptable for most people.
❤
UV & HEALTH
UV, Sun & Health Outlook in Saint-Louis
Maximum daily UVToday, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low3–5 Moderate6–7 High8–10 Very high11+ Extreme
DayMaximum UVAir quality
TodayUV 5,7Moderate🙂Fair
TomorrowUV 3,9Moderate🙂Fair
MondayUV 4,6Moderate🙂Fair
TuesdayUV 5,0Moderate🙂Fair
WednesdayUV 4,4Moderate🙂Fair
ThursdayUV 4,0Moderate—Unavailable
FridayUV 6,0High—Unavailable
🩺
Today's weather health advice
Open today's recommendations.
⌄
☀️
Moderate UV risk
Sunglasses and sun protection are recommended for prolonged exposure.
🌬️
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
Vertical axis: km/h · Horizontal axis: hours
km/h
Sustained windMax gusts
NIGHT SKY · SAINT-LOUIS, QUEBEC
Tonight's Stargazing & Shooting Stars
Local night-sky conditions and meteor activity for Jasper.
28/100Best-hour score
No good viewing window tonight
Astronomical darkness exists, but current sky conditions are unfavorable.
☁Cloud cover100%
Real hourly forecast for the best viewing hour.
☾Moonlight3%
New Moon · Moon below the horizon at the best viewing hour.
☄Meteor activitySeptember ε-Perseids
Reference ZHR 8 · Radiant 83° high at the best hour.
✦Estimated visible meteorsPoor visibility
Meteor activity may occur above the clouds, but local viewing conditions are not suitable.
Chance ≥1 meteor in 30 minNot meaningful
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
ACTIVE NOW
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING
Experimental local observing estimate. Weather values come from the hourly forecast already used on this page.
Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal
conditions and is not the number of meteors a person should expect to see locally.
DISCOVER WEATHER NEARBYWeather in other cities⌄
Explore current conditions and forecasts for other locations.
Forecast data for Saint-Louis were last refreshed today at 9:48 PM. The current forecast period extends through 14/09/2026 at 7:00 PM. 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.