Current weather
3:00 PM18°C
Light Rain
High 18° · Low 11° · 60%
- Wind
- S 21 km/h
- Wind gusts
- 28 km/h
- Humidity
- 89%
- UV index
- 1 · Low
More details
- Dew point
- 16°C
- Pressure
- 100.5 kPa
- Visibility
- 10 km
- Sunrise
- 6:39 AM
- Sunset
- 4:36 PM
- Daylight
- 9 h 57 min
Observed at Montréal Metropolitain Airport, 3:00 PM EST · Environment and Climate Change Canada
Hourly forecast
Hourly →- Now18°28%
- 4 PM18°60%
- 5 PM17°60%
- 6 PM17°60%
- 7 PM16°60%
- 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%
- 11 AM14°0%
- 12 PM14°0%
- 1 PM15°0%
- 2 PM15°0%
14-day forecast
Full 14-day →TodayNov 518°11°Chance of showersChance of showers60%
Day
Cloudy with 60 percent chance of showers. Wind southwest 20 km/h. High 18. UV index 1 or low.
- Wind
- S 20 km/h
- Precipitation
- 60% · 3 mm
- UV index (max)
- 1 Low
- Air quality (AQHI)
- 2 · Low risk
Night
Cloudy with 60 percent chance of showers early this evening. Clearing this evening. Wind southwest 20 km/h becoming light near midnight. Low 11.
- Low
- 11°
- Wind
- SW 20 km/h
- Precipitation
- 60%
Sunrise6:39 AM
Sunset4:36 PM
Daylight9 h 57 min
Normal7° / 0°
FriNov 615°7°A mix of sun and cloudCloudy21%
Day
A mix of sun and cloud. High 15. UV index 2 or low.
- Wind
- SW 10 km/h
- Precipitation
- 21% · 0.1 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°ShowersRain6%
Day
Showers. High 9.
- Precipitation
- 6% · 0 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 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)
- 3 Moderate
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% · 4 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 cloud70%
Day
A mix of sun and cloud. High plus 5.
- Precipitation
- 70% · 3 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°1°Partly cloudyNight low 1°23%
Day
Partly cloudy. High 5.
- Wind
- W 10 km/h
- Wind gusts
- 25 km/h
- Precipitation
- 23% · 0.1 mm
- UV index (max)
- 2 Low
Night
Low 1.
- Low
- 1°
Sunrise6:47 AM
Sunset4:29 PM
Daylight9 h 41 min
SourceExtended outlook
FriNov 135°2°Light snowNight low 2°26%
Day
Light snow. High 5.
- Wind
- NE 10 km/h
- Wind gusts
- 25 km/h
- Precipitation
- 26% · 0.1 mm
- UV index (max)
- 2 Low
Night
Low 2.
- Low
- 2°
Sunrise6:48 AM
Sunset4:28 PM
Daylight9 h 39 min
SourceExtended outlook
SatNov 144°1°ShowersNight low 1°36%
Day
Showers. High 4.
- Wind
- NW 13 km/h
- Wind gusts
- 32 km/h
- Precipitation
- 36% · 0.3 mm
- UV index (max)
- 1 Low
Night
Low 1.
- Low
- 1°
Sunrise6:50 AM
Sunset4:27 PM
Daylight9 h 36 min
SourceExtended outlook
SunNov 155°0°Partly cloudyNight low 0°51%
Day
Partly cloudy. High 5.
- Wind
- SW 15 km/h
- Wind gusts
- 36 km/h
- Precipitation
- 51% · 0.9 mm
- UV index (max)
- 2 Low
Night
Low 0.
- Low
- 0°
Sunrise6:51 AM
Sunset4:26 PM
Daylight9 h 34 min
SourceExtended outlook
MonNov 168°4°ShowersNight low 4°57%
Day
Showers. High 8.
- Wind
- W 17 km/h
- Wind gusts
- 45 km/h
- Precipitation
- 57% · 1 mm
- UV index (max)
- 2 Low
Night
Low 4.
- Low
- 4°
Sunrise6:52 AM
Sunset4:25 PM
Daylight9 h 32 min
SourceExtended outlook
TueNov 177°3°Partly cloudyNight low 3°29%
Day
Partly cloudy. High 7.
- Wind
- W 17 km/h
- Wind gusts
- 42 km/h
- Precipitation
- 29% · 0.3 mm
- UV index (max)
- 3 Moderate
Night
Low 3.
- Low
- 3°
Sunrise6:54 AM
Sunset4:24 PM
Daylight9 h 29 min
SourceExtended outlook
WedNov 187°3°Mostly cloudyNight low 3°20%
Day
Mostly cloudy. High 7.
- Wind
- W 9 km/h
- Wind gusts
- 26 km/h
- Precipitation
- 20% · 0 mm
- UV index (max)
- 2 Low
Night
Low 3.
- Low
- 3°
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 Crescent12% 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 11:30 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