Current weather
11:00 AM16°C
Cloudy
High 18° · Low 11° · 84%
- Wind
- S 17 km/h
- Wind gusts
- 30 km/h
- Humidity
- 88%
- UV index
- 0 · Low
More details
- Dew point
- 14°C
- Pressure
- 100.7 kPa
- Visibility
- 10 km
- Sunrise
- 6:39 AM
- Sunset
- 4:36 PM
- Daylight
- 9 h 57 min
Observed at Montréal Metropolitain Airport, 11:00 AM EST · Environment and Climate Change Canada
Hourly forecast
Hourly →- Now14°54%
- 12 PM16°100%
- 1 PM17°100%
- 2 PM17°100%
- 3 PM18°100%
- 4 PM18°100%
- 5 PM17°100%
- 6 PM17°100%
- 7 PM16°100%
- 8 PM15°0%
- 9 PM15°0%
- 10 PM14°0%
- 11 PM14°0%
- Fri
- 12 AM13°0%
- 1 AM13°0%
- 2 AM13°0%
- 3 AM12°0%
- 4 AM12°0%
- 5 AM12°0%
- 6 AM11°0%
- 7 AM11°0%
- 8 AM12°0%
- 9 AM12°0%
- 10 AM13°0%
14-day forecast
Full 14-day →TodayNov 518°11°ShowersA few showers84%
Day
Increasing cloudiness. Showers beginning early this morning. Wind south 20 km/h. High 18. UV index 1 or low.
- Wind
- S 20 km/h
- Precipitation
- 84% · 5 mm
- UV index (max)
- 1 Low
- Air quality (AQHI)
- 2 · Low risk
Night
A few showers ending this evening then clearing. Wind southwest 20 km/h becoming light near midnight. Low 11.
- Low
- 11°
- Wind
- SW 20 km/h
Sunrise6:39 AM
Sunset4:36 PM
Daylight9 h 57 min
Normal7° / 0°
FriNov 615°7°A mix of sun and cloudCloudy17%
Day
A mix of sun and cloud. High 15. UV index 2 or low.
- Wind
- SW 10 km/h
- Precipitation
- 17% · 0 mm
- UV index (max)
- 2 Low
- Air quality (AQHI)
- 2 · Low risk
Night
Cloudy periods. Low 7.
- Low
- 7°
Sunrise6:39 AM
Sunset4:36 PM
Daylight9 h 57 min
SatNov 79°5°ShowersRain17%
Day
Showers. High 9.
- Precipitation
- 17% · 0.1 mm
- UV index (max)
- 2 Low
Night
Rain. Low plus 5.
- Low
- 5°
Sunrise6:40 AM
Sunset4:35 PM
Daylight9 h 54 min
SunNov 810°6°Periods of rainChance of showers70%
Day
Periods of rain. High 10.
- Precipitation
- 70% · 0.3 mm
- UV index (max)
- 2 Low
Night
Cloudy with 70 percent chance of showers. Low 6.
- Low
- 6°
- Precipitation
- 70%
Sunrise6:41 AM
Sunset4:34 PM
Daylight9 h 52 min
MonNov 97°4°Chance of showersChance of showers70%
Day
Cloudy with 70 percent chance of showers. High 7.
- Precipitation
- 70% · 0.5 mm
- UV index (max)
- 2 Low
Night
Cloudy with 40 percent chance of showers. Low plus 4.
- Low
- 4°
- Precipitation
- 40%
Sunrise6:43 AM
Sunset4:32 PM
Daylight9 h 49 min
TueNov 1010°3°Chance of showersCloudy periods60%
Day
Cloudy with 60 percent chance of showers. High 10.
- Precipitation
- 60% · 2 mm
- UV index (max)
- 2 Low
Night
Cloudy periods. Low plus 3.
- Low
- 3°
Sunrise6:44 AM
Sunset4:31 PM
Daylight9 h 46 min
WedNov 115°3°A mix of sun and cloud32%
Day
A mix of sun and cloud. High plus 5.
- Precipitation
- 32% · 0.2 mm
- UV index (max)
- 2 Low
Night
Low 3.
- Low
- 3°
Sunrise6:46 AM
Sunset4:30 PM
Daylight9 h 44 min
Days 8–14 · trend, lower confidence
ThuNov 125°2°Mostly cloudyNight low 2°20%
Day
Mostly cloudy. High 5.
- Wind
- W 10 km/h
- Wind gusts
- 23 km/h
- Precipitation
- 20% · 0.1 mm
- UV index (max)
- 2 Low
Night
Low 2.
- Low
- 2°
Sunrise6:47 AM
Sunset4:29 PM
Daylight9 h 41 min
SourceExtended outlook
FriNov 135°0°Mostly cloudyNight low 0°24%
Day
Mostly cloudy. High 5.
- Wind
- N 10 km/h
- Wind gusts
- 26 km/h
- Precipitation
- 24% · 0.1 mm
- UV index (max)
- 1 Low
Night
Low 0.
- Low
- 0°
Sunrise6:48 AM
Sunset4:28 PM
Daylight9 h 39 min
SourceExtended outlook
SatNov 146°2°Mostly cloudyNight low 2°17%
Day
Mostly cloudy. High 6.
- Wind
- W 14 km/h
- Wind gusts
- 32 km/h
- Precipitation
- 17% · 0 mm
- UV index (max)
- 2 Low
Night
Low 2.
- Low
- 2°
Sunrise6:50 AM
Sunset4:27 PM
Daylight9 h 36 min
SourceExtended outlook
SunNov 155°3°ShowersNight low 3°77%
Day
Showers. High 5.
- Wind
- NW 12 km/h
- Wind gusts
- 28 km/h
- Precipitation
- 77% · 2 mm
- UV index (max)
- 1 Low
Night
Low 3.
- Low
- 3°
Sunrise6:51 AM
Sunset4:26 PM
Daylight9 h 34 min
SourceExtended outlook
MonNov 165°0°Partly cloudyNight low 0°9%
Day
Partly cloudy. High 5.
- Wind
- NW 12 km/h
- Wind gusts
- 28 km/h
- Precipitation
- 9% · 0 mm
- UV index (max)
- 2 Low
Night
Low 0.
- Low
- 0°
Sunrise6:52 AM
Sunset4:25 PM
Daylight9 h 32 min
SourceExtended outlook
TueNov 174°-1°Partly cloudyNight low -1°15%
Day
Partly cloudy. High 4.
- Wind
- NE 7 km/h
- Wind gusts
- 23 km/h
- Precipitation
- 15% · 0 mm
- UV index (max)
- 1 Low
Night
Low -1.
- Low
- -1°
Sunrise6:54 AM
Sunset4:24 PM
Daylight9 h 29 min
SourceExtended outlook
WedNov 188°0°ShowersNight low 0°75%
Day
Showers. High 8.
- Wind
- S 14 km/h
- Wind gusts
- 31 km/h
- Precipitation
- 75% · 3 mm
- UV index (max)
- 2 Low
Night
Low 0.
- Low
- 0°
Sunrise6:55 AM
Sunset4:23 PM
Daylight9 h 27 min
SourceExtended outlook
Sun & Moon
Moon calendar →Sunrise6:39 AM
Sunset4:36 PM
Daylight9 h 57 min
MoonWaning Crescent13% lit · rise 2:42 AM · set 2:43 PM
Pollen today · Saint-Constant
TreesNonenone in the air
GrassLow<1 grains/m³
WeedsLow<1 grains/m³ · Ragweed
Fri: weeds low · Sat: weeds low · Sun: weeds low
Model estimate from WeatherAPI.com — pollen grains per m³ of air; levels on the National Allergy Bureau scale.
Model estimate from WeatherAPI.com — pollen grains per m³ of air; levels on the National Allergy Bureau scale.
Climate · monthly normals
Full climate →| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High | -5° | -3° | 3° | 12° | 19° | 24° | 26° | 25° | 21° | 13° | 6° | -1° |
| Low | -14° | -12° | -7° | 1° | 8° | 13° | 16° | 15° | 10° | 4° | -2° | -9° |
| Precip | 77 mm | 63 mm | 69 mm | 82 mm | 81 mm | 87 mm | 89 mm | 94 mm | 83 mm | 91 mm | 96 mm | 87 mm |
ECCC
Activities today
Derived from the forecastLaundry dayPoorLine-drying weather
GrillingFairFire up the grill
RunningPoorLace up outside
PatioFairDinner outdoors
Forecast: Environment and Climate Change Canada (Châteauguay - La Prairie area), issued 5:00 AM · Days 8–14: WeatherAPI.com · weather.gc.ca · 45.3668°N, 73.5659°W · Elevation 26 m · Population 27,359 · Time zone America/Toronto