Yellow warningfrost · in effect until 8:58 PMDetails
Current weather
4:00 PM18°C
Mainly Sunny
High 20° · Low 5° · 3%
- Wind
- W 12 km/h
- Wind gusts
- 30 km/h
- Humidity
- 39%
- UV index
- 4 · Moderate
More details
- Dew point
- 4°C
- Pressure
- 102.1 kPa ↘ falling
- Visibility
- 10 km
- Sunrise
- 6:37 AM
- Sunset
- 7:01 PM
- Daylight
- 12 h 24 min
Observed at Montréal-Mirabel Int'l Airport, 4:00 PM EDT · Environment and Climate Change Canada
Hourly forecast
Hourly →- Now19°1%
- 5 PM18°0%
- 6 PM17°0%
- 7 PM15°0%
- 8 PM14°0%
- 9 PM13°0%
- 10 PM11°0%
- 11 PM10°0%
- Sat
- 12 AM9°0%
- 1 AM7°0%
- 2 AM6°0%
- 3 AM6°0%
- 4 AM5°0%
- 5 AM5°0%
- 6 AM6°0%
- 7 AM6°0%
- 8 AM7°0%
- 9 AM9°0%
- 10 AM12°0%
- 11 AM14°0%
- 12 PM15°0%
- 1 PM15°0%
- 2 PM16°0%
- 3 PM16°0%
14-day forecast
Full 14-day →TonightSep 1820°5°Mostly sunnyA few clouds3%
Day
- Wind
- NW 15 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. Fog patches developing overnight. Low plus 5.
- Low
- 5°
- Wind
- NW 15 km/h
Sunrise6:37 AM
Sunset7:01 PM
Daylight12 h 24 min
Normal18° / 7°
SatSep 1917°8°SunnyMainly cloudy5%
Day
Sunny. Fog patches dissipating in the morning. 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
Increasing cloudiness late in the evening. Low 8.
- Low
- 8°
- Wind
- Variable 5 km/h
Sunrise6:38 AM
Sunset6:58 PM
Daylight12 h 20 min
SunSep 2018°8°CloudyClear14%
Day
Clearing. High 18.
- Precipitation
- 14% · 0 mm
- UV index (max)
- 4 Moderate
Night
Clear. Low 8.
- Low
- 8°
Sunrise6:39 AM
Sunset6:57 PM
Daylight12 h 17 min
MonSep 2116°5°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 plus 5.
- Low
- 5°
Sunrise6:41 AM
Sunset6:55 PM
Daylight12 h 13 min
TueSep 2218°3°SunnyClear8%
Day
Sunny. High 18.
- Precipitation
- 8% · 0 mm
- UV index (max)
- 5 Moderate
Night
Clear. Low plus 3.
- Low
- 3°
Sunrise6:42 AM
Sunset6:53 PM
Daylight12 h 10 min
WedSep 2318°4°SunnyClear7%
Day
Sunny. High 18.
- Precipitation
- 7% · 0 mm
- UV index (max)
- 5 Moderate
Night
Clear. Low plus 4.
- Low
- 4°
Sunrise6:43 AM
Sunset6:51 PM
Daylight12 h 7 min
ThuSep 2419°11°Sunny13%
Day
Sunny. High 19.
- Precipitation
- 13% · 0 mm
- UV index (max)
- 4 Moderate
Night
Low 11.
- Low
- 11°
Sunrise6:44 AM
Sunset6:49 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°
Sunrise6:46 AM
Sunset6:47 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°
Sunrise6:47 AM
Sunset6:45 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
Sunset6:43 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°
Sunrise6:51 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
- 19 km/h
- Precipitation
- 55% · 0.6 mm
- UV index (max)
- 6 High
Night
Low 16.
- Low
- 16°
Sunrise6:52 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 41 min
SourceExtended outlook
Sun & Moon
Moon calendar →Sunrise6:37 AM
Sunset7:01 PM
Daylight12 h 24 min
MoonFirst Quarter50% lit · rise 2:55 PM · set 10:45 PM
Pollen today · Saint-Louis-de-Terrebonne
TreesNonenone in the air
GrassModerate10 grains/m³
WeedsHigh148 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 | -6° | -3° | 2° | 11° | 19° | 24° | 26° | 25° | 20° | 13° | 5° | -2° |
| Low | -16° | -14° | -8° | 1° | 7° | 12° | 15° | 13° | 9° | 3° | -2° | -11° |
| Precip | 79 mm | 65 mm | 68 mm | 84 mm | 93 mm | 106 mm | 101 mm | 101 mm | 99 mm | 106 mm | 106 mm | 85 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 (Saint-Eustache area), issued 3:45 PM · Days 8–14: WeatherAPI.com · weather.gc.ca · 45.7020°N, 73.7867°W · Elevation 64 m · Population 119,944 · Time zone America/Toronto