Clear night
Feels like 9°C
Wind direction northeast
Gusts 7 km/h
Humidity 81%
Cloud cover 0%
Pressure 1028 hPa
Now · 12:13 AM
Saint-Constant Weather & Hourly Forecast
Canada · Quebec
11°C
Clear night
Feels like: 10°C
💧 Humidity 80%
🌡 Pressure 1029 hPa
💨 Wind 6 km/h
👁 Visibility 48.1 km
☁ Clouds 0%
☀️ UV index 0.0 · Low
🌅 Sunrise 6:44 AM
🌇 Sunset 6:48 PM
Hourly Forecast for Saint-Constant
Today
Clear night
Clear night
Feels like 8°C
Wind direction north
Gusts 13 km/h
Humidity 91%
Cloud cover 0%
Pressure 1027 hPa
Sunny
Feels like 7°C
Wind direction northeast
Gusts 14 km/h
Humidity 94%
Cloud cover 9%
Pressure 1027 hPa
Sunny
Feels like 13°C
Wind direction north
Gusts 20 km/h
Humidity 80%
Cloud cover 3%
Pressure 1027 hPa
Sunny
Feels like 19°C
Wind direction north
Gusts 23 km/h
Humidity 61%
Cloud cover 0%
Pressure 1026 hPa
Sunny
Feels like 20°C
Wind direction north
Gusts 25 km/h
Humidity 47%
Cloud cover 0%
Pressure 1024 hPa
Clear night
Feels like 15°C
Wind direction north
Gusts 14 km/h
Humidity 67%
Cloud cover 1%
Pressure 1023 hPa
Partly cloudy night
Feels like 12°C
Wind direction northeast
Gusts 15 km/h
Humidity 75%
Cloud cover 41%
Pressure 1023 hPa
Tomorrow
Overcast night
Feels like 11°C
Wind direction northeast
Gusts 12 km/h
Humidity 83%
Cloud cover 97%
Pressure 1023 hPa
Overcast night
Feels like 9°C
Wind direction north
Gusts 12 km/h
Humidity 89%
Cloud cover 95%
Pressure 1022 hPa
Overcast
Feels like 9°C
Wind direction north
Gusts 17 km/h
Humidity 91%
Cloud cover 97%
Pressure 1022 hPa
Overcast
Feels like 13°C
Wind direction north
Gusts 25 km/h
Humidity 72%
Cloud cover 99%
Pressure 1022 hPa
Overcast
Feels like 17°C
Wind direction north
Gusts 31 km/h
Humidity 56%
Cloud cover 100%
Pressure 1020 hPa
Overcast
Feels like 16°C
Wind direction north
Gusts 37 km/h
Humidity 42%
Cloud cover 99%
Pressure 1019 hPa
Partly cloudy night
Feels like 14°C
Wind direction north
Gusts 25 km/h
Humidity 58%
Cloud cover 41%
Pressure 1018 hPa
Overcast night
Feels like 12°C
Wind direction north
Gusts 26 km/h
Humidity 70%
Cloud cover 97%
Pressure 1019 hPa
Today
Clear night
Feels like 9°C
Wind direction northeastGusts 7 km/h
Humidity 81%Cloud cover 0%Pressure 1028 hPa
Clear night
Feels like 9°C
Wind direction northeastGusts 6 km/h
Humidity 83%Cloud cover 0%Pressure 1028 hPa
Clear night
Feels like 8°C
Wind direction northGusts 6 km/h
Humidity 87%Cloud cover 0%Pressure 1028 hPa
Clear night
Feels like 8°C
Wind direction northGusts 13 km/h
Humidity 91%Cloud cover 0%Pressure 1027 hPa
Clear night
Feels like 8°C
Wind direction northGusts 13 km/h
Humidity 93%Cloud cover 1%Pressure 1027 hPa
Clear night
Feels like 8°C
Wind direction northeastGusts 13 km/h
Humidity 94%Cloud cover 2%Pressure 1027 hPa
Sunny
Feels like 7°C
Wind direction northeastGusts 14 km/h
Humidity 94%Cloud cover 9%Pressure 1027 hPa
Mostly sunny
Feels like 8°C
Wind direction northeastGusts 19 km/h
Humidity 92%Cloud cover 13%Pressure 1027 hPa
Sunny
Feels like 11°C
Wind direction northeastGusts 19 km/h
Humidity 87%Cloud cover 9%Pressure 1027 hPa
Sunny
Feels like 13°C
Wind direction northGusts 20 km/h
Humidity 80%Cloud cover 3%Pressure 1027 hPa
Sunny
Feels like 15°C
Wind direction northGusts 22 km/h
Humidity 73%Cloud cover 0%Pressure 1027 hPa
Sunny
Feels like 17°C
Wind direction northGusts 23 km/h
Humidity 67%Cloud cover 0%Pressure 1026 hPa
Sunny
Feels like 19°C
Wind direction northGusts 23 km/h
Humidity 61%Cloud cover 0%Pressure 1026 hPa
Sunny
Feels like 20°C
Wind direction northGusts 23 km/h
Humidity 55%Cloud cover 0%Pressure 1025 hPa
Sunny
Feels like 20°C
Wind direction northGusts 26 km/h
Humidity 51%Cloud cover 0%Pressure 1024 hPa
Sunny
Feels like 20°C
Wind direction northGusts 25 km/h
Humidity 47%Cloud cover 0%Pressure 1024 hPa
Sunny
Feels like 20°C
Wind direction northGusts 22 km/h
Humidity 50%Cloud cover 4%Pressure 1023 hPa
Sunny
Feels like 19°C
Wind direction northGusts 17 km/h
Humidity 63%Cloud cover 2%Pressure 1023 hPa
Clear night
Feels like 15°C
Wind direction northGusts 14 km/h
Humidity 67%Cloud cover 1%Pressure 1023 hPa
Clear night
Feels like 14°C
Wind direction northeastGusts 16 km/h
Humidity 67%Cloud cover 0%Pressure 1023 hPa
Clear night
Feels like 13°C
Wind direction northGusts 16 km/h
Humidity 72%Cloud cover 0%Pressure 1023 hPa
Partly cloudy night
Feels like 12°C
Wind direction northeastGusts 15 km/h
Humidity 75%Cloud cover 41%Pressure 1023 hPa
Mostly cloudy night
Feels like 12°C
Wind direction northeastGusts 13 km/h
Humidity 78%Cloud cover 69%Pressure 1023 hPa
Tomorrow
Mostly cloudy night
Feels like 11°C
Wind direction northeastGusts 12 km/h
Humidity 80%Cloud cover 92%Pressure 1023 hPa
Overcast night
Feels like 11°C
Wind direction northeastGusts 12 km/h
Humidity 83%Cloud cover 97%Pressure 1023 hPa
Mostly cloudy night
Feels like 10°C
Wind direction northeastGusts 12 km/h
Humidity 86%Cloud cover 91%Pressure 1022 hPa
Mostly cloudy night
Feels like 9°C
Wind direction northeastGusts 11 km/h
Humidity 88%Cloud cover 92%Pressure 1022 hPa
Overcast night
Feels like 9°C
Wind direction northGusts 12 km/h
Humidity 89%Cloud cover 95%Pressure 1022 hPa
Overcast night
Feels like 9°C
Wind direction northGusts 14 km/h
Humidity 90%Cloud cover 97%Pressure 1021 hPa
Overcast night
Feels like 9°C
Wind direction northGusts 16 km/h
Humidity 91%Cloud cover 96%Pressure 1021 hPa
Overcast
Feels like 9°C
Wind direction northGusts 17 km/h
Humidity 91%Cloud cover 97%Pressure 1022 hPa
Overcast
Feels like 9°C
Wind direction northGusts 20 km/h
Humidity 84%Cloud cover 96%Pressure 1022 hPa
Overcast
Feels like 11°C
Wind direction northGusts 23 km/h
Humidity 77%Cloud cover 98%Pressure 1022 hPa
Overcast
Feels like 13°C
Wind direction northGusts 25 km/h
Humidity 72%Cloud cover 99%Pressure 1022 hPa
Overcast
Feels like 15°C
Wind direction northeastGusts 26 km/h
Humidity 66%Cloud cover 100%Pressure 1022 hPa
Overcast
Feels like 16°C
Wind direction northeastGusts 27 km/h
Humidity 61%Cloud cover 100%Pressure 1021 hPa
Overcast
Feels like 17°C
Wind direction northGusts 31 km/h
Humidity 56%Cloud cover 100%Pressure 1020 hPa
Overcast
Feels like 17°C
Wind direction northGusts 32 km/h
Humidity 50%Cloud cover 99%Pressure 1020 hPa
Overcast
Feels like 17°C
Wind direction northGusts 35 km/h
Humidity 42%Cloud cover 97%Pressure 1019 hPa
Overcast
Feels like 16°C
Wind direction northGusts 37 km/h
Humidity 42%Cloud cover 99%Pressure 1019 hPa
Overcast
Feels like 16°C
Wind direction northGusts 36 km/h
Humidity 48%Cloud cover 95%Pressure 1018 hPa
Mostly cloudy
Feels like 16°C
Wind direction northGusts 31 km/h
Humidity 54%Cloud cover 80%Pressure 1018 hPa
Partly cloudy night
Feels like 14°C
Wind direction northGusts 25 km/h
Humidity 58%Cloud cover 41%Pressure 1018 hPa
Overcast night
Feels like 14°C
Wind direction northGusts 24 km/h
Humidity 65%Cloud cover 97%Pressure 1019 hPa
Overcast night
Feels like 13°C
Wind direction northGusts 22 km/h
Humidity 68%Cloud cover 98%Pressure 1019 hPa
Overcast night
Feels like 12°C
Wind direction northGusts 26 km/h
Humidity 70%Cloud cover 97%Pressure 1019 hPa
Overcast night
Feels like 11°C
Wind direction northeastGusts 29 km/h
Humidity 70%Cloud cover 98%Pressure 1019 hPa
Sunday
Overcast night
Feels like 11°C
Wind direction northeastGusts 30 km/h
Humidity 69%Cloud cover 95%Pressure 1019 hPa
Mostly cloudy night
Feels like 10°C
Wind direction northeastGusts 30 km/h
Humidity 71%Cloud cover 91%Pressure 1018 hPa
Mostly cloudy night
Feels like 10°C
Wind direction northeastGusts 27 km/h
Humidity 74%Cloud cover 91%Pressure 1018 hPa
Overcast night
Feels like 9°C
Wind direction northeastGusts 29 km/h
Humidity 77%Cloud cover 98%Pressure 1018 hPa
Overcast night
Feels like 9°C
Wind direction northeastGusts 31 km/h
Humidity 80%Cloud cover 100%Pressure 1017 hPa
Overcast night
Feels like 9°C
Wind direction northeastGusts 31 km/h
Humidity 80%Cloud cover 99%Pressure 1017 hPa
Mostly cloudy night
Feels like 9°C
Wind direction northeastGusts 32 km/h
Humidity 80%Cloud cover 90%Pressure 1018 hPa
Mostly cloudy
Feels like 8°C
Wind direction northeastGusts 32 km/h
Humidity 81%Cloud cover 94%Pressure 1018 hPa
Overcast
Feels like 9°C
Wind direction northeastGusts 35 km/h
Humidity 77%Cloud cover 100%Pressure 1018 hPa
In Saint-Constant and, more broadly, across the province of Quebec: This morning across the region, skies are a mix of sun and cloud with temperatures ranging from approximately 7 to 18 degrees Celsius. Generally, conditions are dry in many areas, although some regions may experience light breezes. Winds are mainly from the north with speeds reaching up to around 16 km/h, and gusts may climb to approximately 33 km/h at times. During the afternoon, the sky is expected to remain partly cloudy, with temperatures holding steady or perhaps slightly warmer in some locations. Winds are likely to persist from the north, maintaining similar speeds and gusts. Overall, the day is forecast to be relatively mild and dry, with only minor variations in weather conditions across the region.
15-Day Weather Outlook for Saint-Constant
TomorrowTomorrow
Mostly cloudy
21°/11°
💧 None
💨 19 km/h
Mostly cloudy
21°/11°
💧 None
💨 19 km/h
Daytime temperature 18°C
Feels like 16°C
Humidity 70%
Pressure 1021 hPa
Cloud cover 94%
Wind direction northeast
Gusts 37 km/h
Sunrise —
Sunset —
Sunday, Sep 27Sun Sep 27
Overcast
14°/12°
💧 None
💨 20 km/h
Overcast
14°/12°
💧 None
💨 20 km/h
Daytime temperature 13°C
Feels like 9°C
Humidity 77%
Pressure 1018 hPa
Cloud cover 95%
Wind direction northeast
Gusts 35 km/h
Sunrise —
Sunset —
TEMPERATURE OUTLOOK
Temperature & Weather Trends in Saint-Constant
AIR QUALITY FORECAST
Air Quality Forecast for Saint-Constant
Good
Nearest forecast value
1:00 AM
PM2.5 Fine particles Good 2,6µg/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 3,3µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 53,9µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 1,8µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is favorable for outdoor activities.
Fair
Selected time
12:00 AM
PM2.5 Fine particles Good 2,9µg/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 3,6µg/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 1,9µg/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 2,4µg/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 75,0µg/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.
Fair
Selected time
12:00 AM
PM2.5 Fine particles Good 1,8µg/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 1,9µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 77,0µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 0,9µg/m³
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-Constant
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 3,8Moderate
😊Good
Tomorrow
UV 3,1Moderate
🙂Fair
Sunday
UV 0,3Low
🙂Fair
Hourly UV index today
7:00 AMUV 0,0
8:00 AMUV 0,4
9:00 AMUV 1,2
10:00 AMUV 2,1
11:00 AMUV 3,0
12:00 PMUV 3,5
1:00 PMUV 3,8
2:00 PMUV 3,7
3:00 PMUV 3,3
4:00 PMUV 2,6
5:00 PMUV 1,7
6:00 PMUV 0,8
Today's weather health advice
Open today's recommendations.
Moderate UV risk
Sunglasses and sun protection are recommended for prolonged exposure.
Good air quality
Air quality is good and outdoor activities can be enjoyed normally.
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-Constant
Sustained wind
Max gusts
NIGHT SKY · SAINT-CONSTANT, QUEBEC
Tonight's Stargazing & Shooting Stars
Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.
93/100Best-hour score
BEST TIME TONIGHT
4:00 AM–5:00 AM
Astronomical darkness: 8:27 PM–5:06 AM
Cloud cover
0%
Real hourly forecast for the best viewing hour.
Moonlight
98%
Full Moon · Moon about 13° above the horizon at the best viewing hour.
Meteor activity
Southern Taurids
Reference ZHR 7 · Radiant 60° high at the best hour.
Estimated visible meteors
0–2/hour
Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min42%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
ACTIVE NOW
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
NOV 6–NOV 30
LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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.
Forecast data for Saint-Constant were last refreshed today at 12:12 AM. The current forecast period extends through 26/09/2026 at 10:00 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.