Current weather
4:00 PM20°C
Sunny
High 20° · Low 7° · 3%
- Wind
- N 24 km/h
- Wind gusts
- 32 km/h
- Humidity
- 32%
- UV index
- 4 · Moderate
More details
- Dew point
- 3°C
- Pressure
- 102.1 kPa
- Visibility
- 10 km
- Sunrise
- 6:36 AM
- Sunset
- 7:00 PM
- Daylight
- 12 h 24 min
Observed at Montréal Metropolitain Airport, 4:00 PM EDT · Environment and Climate Change Canada
Hourly forecast
Hourly →- Now19°1%
- 5 PM20°0%
- 6 PM18°0%
- 7 PM17°0%
- 8 PM15°0%
- 9 PM14°0%
- 10 PM13°0%
- 11 PM12°0%
- Sat
- 12 AM11°0%
- 1 AM11°0%
- 2 AM10°0%
- 3 AM9°0%
- 4 AM8°0%
- 5 AM7°0%
- 6 AM8°0%
- 7 AM9°0%
- 8 AM10°0%
- 9 AM11°0%
- 10 AM13°0%
- 11 AM14°0%
- 12 PM15°0%
- 1 PM15°0%
- 2 PM16°0%
- 3 PM16°0%
14-day forecast
Full 14-day →TonightSep 1820°7°Mostly sunnyA few clouds3%
Day
- Wind
- NW 20 km/h
- Wind gusts
- 30 km/h
- Precipitation
- 3% · 0 mm
- UV index (max)
- 5 Moderate
- Air quality (AQHI)
- 1 · Low risk
Night
A few clouds. Wind northwest 20 km/h becoming light this evening. Low 7.
- Low
- 7°
- Wind
- NW 20 km/h
Sunrise6:36 AM
Sunset7:00 PM
Daylight12 h 24 min
Normal19° / 9°
SatSep 1917°11°SunnyPartly cloudy5%
Day
Sunny. High 17. UV index 5 or moderate.
- Wind
- Variable 5 km/h
- Precipitation
- 5% · 0 mm
- UV index (max)
- 5 Moderate
- Air quality (AQHI)
- 2 · Low risk
Night
A few clouds. Increasing cloudiness after midnight. Low 11.
- Low
- 11°
- Wind
- NE 10 km/h
Sunrise6:38 AM
Sunset6:58 PM
Daylight12 h 20 min
SunSep 2017°8°CloudyCloudy periods14%
Day
Cloudy. High 17.
- Precipitation
- 14% · 0 mm
- UV index (max)
- 5 Moderate
Night
Cloudy periods. Low 8.
- Low
- 8°
Sunrise6:39 AM
Sunset6:56 PM
Daylight12 h 16 min
MonSep 2116°8°A mix of sun and cloudCloudy periods9%
Day
A mix of sun and cloud. High 16.
- Precipitation
- 9% · 0 mm
- UV index (max)
- 5 Moderate
Night
Cloudy periods. Low 8.
- Low
- 8°
Sunrise6:40 AM
Sunset6:54 PM
Daylight12 h 13 min
TueSep 2217°7°SunnyClear8%
Day
Sunny. High 17.
- Precipitation
- 8% · 0 mm
- UV index (max)
- 5 Moderate
Night
Clear. Low 7.
- Low
- 7°
Sunrise6:41 AM
Sunset6:52 PM
Daylight12 h 10 min
WedSep 2319°8°SunnyClear7%
Day
Sunny. High 19.
- Precipitation
- 7% · 0 mm
- UV index (max)
- 5 Moderate
Night
Clear. Low 8.
- Low
- 8°
Sunrise6:43 AM
Sunset6:50 PM
Daylight12 h 7 min
ThuSep 2420°11°Sunny13%
Day
Sunny. High 20.
- Precipitation
- 13% · 0 mm
- UV index (max)
- 4 Moderate
Night
Low 11.
- Low
- 11°
Sunrise6:44 AM
Sunset6:48 PM
Daylight12 h 4 min
Days 8–14 · trend, lower confidence
FriSep 2514°8°ShowersNight low 8°89%
Day
Showers. High 14.
- Wind
- W 27 km/h
- Wind gusts
- 50 km/h
- Precipitation
- 89% · 9 mm
- UV index (max)
- 3 Moderate
Night
Low 8.
- Low
- 8°
Sunrise6:45 AM
Sunset6:46 PM
Daylight12 h 1 min
SourceExtended outlook
SatSep 2610°7°ShowersNight low 7°63%
Day
Showers. High 10.
- Wind
- NW 23 km/h
- Wind gusts
- 41 km/h
- Precipitation
- 63% · 1 mm
- UV index (max)
- 3 Moderate
Night
Low 7.
- Low
- 7°
Sunrise6:46 AM
Sunset6:44 PM
Daylight11 h 57 min
SourceExtended outlook
SunSep 2717°6°Mostly cloudyNight low 6°9%
Day
Mostly cloudy. High 17.
- Wind
- W 19 km/h
- Wind gusts
- 57 km/h
- Precipitation
- 9% · 0 mm
- UV index (max)
- 5 Moderate
Night
Low 6.
- Low
- 6°
Sunrise6:48 AM
Sunset6:42 PM
Daylight11 h 54 min
SourceExtended outlook
MonSep 2822°12°Mostly cloudyNight low 12°7%
Day
Mostly cloudy. High 22.
- Wind
- SW 25 km/h
- Wind gusts
- 55 km/h
- Precipitation
- 7% · 0 mm
- UV index (max)
- 6 High
Night
Low 12.
- Low
- 12°
Sunrise6:49 AM
Sunset6:41 PM
Daylight11 h 51 min
SourceExtended outlook
TueSep 2923°16°Mostly cloudyNight low 16°62%
Day
Mostly cloudy. High 23.
- Wind
- SW 19 km/h
- Wind gusts
- 56 km/h
- Precipitation
- 62% · 2 mm
- UV index (max)
- 5 Moderate
Night
Low 16.
- Low
- 16°
Sunrise6:50 AM
Sunset6:39 PM
Daylight11 h 48 min
SourceExtended outlook
WedSep 3026°16°Mostly cloudyNight low 16°55%
Day
Mostly cloudy. High 26.
- Wind
- NE 7 km/h
- Wind gusts
- 23 km/h
- Precipitation
- 55% · 0.6 mm
- UV index (max)
- 6 High
Night
Low 16.
- Low
- 16°
Sunrise6:51 AM
Sunset6:37 PM
Daylight11 h 45 min
SourceExtended outlook
ThuOct 122°17°ShowersNight low 17°87%
Day
Showers. High 22.
- Wind
- NW 14 km/h
- Wind gusts
- 30 km/h
- Precipitation
- 87% · 11 mm
- UV index (max)
- 6 High
Night
Low 17.
- Low
- 17°
Sunrise6:53 AM
Sunset6:35 PM
Daylight11 h 42 min
SourceExtended outlook
Sun & Moon
Moon calendar →Sunrise6:36 AM
Sunset7:00 PM
Daylight12 h 24 min
MoonFirst Quarter50% lit · rise 2:53 PM · set 10:45 PM
Pollen today · Côte-Saint-Luc
TreesNonenone in the air
GrassModerate9 grains/m³
WeedsHigh145 grains/m³ · Ragweed
Sat: weeds high · Sun: weeds high · Mon: weeds high
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 dayGreatLine-drying weather
GrillingGreatFire up the grill
RunningGreatLace up outside
PatioGreatDinner outdoors
Forecast: Environment and Climate Change Canada (Châteauguay - La Prairie area), issued 3:45 PM · Days 8–14: WeatherAPI.com · weather.gc.ca · 45.4654°N, 73.6659°W · Elevation 47 m · Population 31,395 · Time zone America/Toronto