Today
Sun, Jun 21
Overcast
22°15°
- Rain chance
- 36%
- Precip
- 0 mm
- Max wind
- 17 km/h
Westmount weather forecast
Quebec, Canada · Toronto time · 45.48°, -73.60°
Current conditions · 9:00 AM local
Current conditions in Westmount
18°C
Overcast
Feels like 17°C
- Humidity
- 87%
- Wind
- 17 km/h WSW
- Gusts
- 26 km/h
- UV index
- 2
- Visibility
- 15.9 km
Right now
Right now in Westmount, it's overcast with the temperature at 18 °C. It feels close to the actual reading at 17 °C. Wind is from the WSW at 17 km/h. Humidity stands at 87% with sea-level pressure near 1009 hPa.
At a glance
Today
22° / 15°Overcast · 36% chance of rain
Tomorrow
25° / 14°Moderate drizzle
Upcoming · to Saturday
25° / 14°Highs 25°, lows 14°. The most active day looks like Friday, when rain chances peak at 75%.
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Next 3 days
Today looks like overcast; temperatures run from 15 °C up to 22 °C. Rain chance peaks at 36%. Tomorrow brings moderate drizzle with a high of 24 °C and a low of 14 °C. Tuesday looks like light drizzle; temperatures run from 14 °C up to 25 °C.
Tomorrow
Mon, Jun 22
Moderate drizzle
25°14°
- Rain chance
- 24%
- Precip
- 1.8 mm
- Max wind
- 21 km/h
Tuesday
Tue, Jun 23
Light drizzle
25°14°
- Rain chance
- 13%
- Precip
- 0.4 mm
- Max wind
- 19 km/h
Next 48 hours
- 12 AM16°25%12 km/h
- 1 AM16°36%9 km/h
- 2 AM16°31%11 km/h
- 3 AM16°23%8 km/h
- 4 AM15°12%8 km/h
- 5 AM15°9%11 km/h
- 6 AM15°9%11 km/h
- 7 AM16°9%14 km/h
- 8 AM17°6%16 km/h
- 9 AM18°5%17 km/h
- 10 AM19°5%16 km/h
- 11 AM20°6%15 km/h
- 12 PM20°7%15 km/h
- 1 PM20°12%15 km/h
- 2 PM21°13%17 km/h
- 3 PM22°18%16 km/h
- 4 PM18°22%7 km/h
- 5 PM20°20%8 km/h
- 6 PM21°18%7 km/h
- 7 PM20°19%2 km/h
- 8 PM18°20%5 km/h
- 9 PM18°17%5 km/h
- 10 PM17°14%6 km/h
- 11 PM17°9%11 km/h
- 12 AM16°5%10 km/h
- 1 AM16°2%9 km/h
- 2 AM15°2%9 km/h
- 3 AM15°2%11 km/h
- 4 AM15°1%10 km/h
- 5 AM14°1%8 km/h
- 6 AM14°1%10 km/h
- 7 AM16°1%12 km/h
- 8 AM17°1%10 km/h
- 9 AM19°1%9 km/h
- 10 AM20°1%7 km/h
- 11 AM21°1%6 km/h
- 12 PM22°1%9 km/h
- 1 PM23°2%11 km/h
- 2 PM24°6%11 km/h
- 3 PM24°9%13 km/h
- 4 PM25°12%14 km/h
- 5 PM21°22%21 km/h
- 6 PM21°21%16 km/h
- 7 PM19°24%18 km/h
- 8 PM17°8%12 km/h
- 9 PM16°12%6 km/h
- 10 PM16°12%7 km/h
- 11 PM16°12%7 km/h
In depth
The weather picture for Westmount opens with overcast; it's 18 °C out, feeling like 17 °C. Today's forecast calls for overcast, topping out near 22 °C before falling back to 15 °C overnight. Winds blow mainly from the WSW around 17 km/h, with gusts up to 32 km/h. Daytime highs hold fairly steady this week, staying within 22 to 25 °C. Rain is in the picture on tomorrow, Thursday, Friday, with roughly 12 mm expected in total across the week. Tomorrow brings moderate drizzle with a high of 24 °C and a 24% chance of precipitation. The UV index reaches 7 today, so sun protection is sensible during the middle of the day. Sunrise comes at 05:05 and sunset at 20:46, giving 15.7 hours of daylight. Current humidity sits at 87% with pressure near 1009 hPa. Looking further out, Thursday shows moderate rain showers with a high around 25 °C, while Saturday ends the week at 24 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.
Air quality
38
Good
US AQI · European AQI 22
Air quality in Westmount is currently good, with a US AQI of 38 (European AQI 22). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 7.6 µg/m³.
Pollutants
- PM2.5
- 7.6 µg/m³
- PM10
- 7.9 µg/m³
- Ozone (O₃)
- 54 µg/m³
- NO₂
- 5.6 µg/m³
- SO₂
- 2.9 µg/m³
- CO
- 139 µg/m³
- Dust
- 0 µg/m³
Sun & UV
- Sunrise
- 5:05 AM
- Sunset
- 8:46 PM
- Daylight
- 15h 41m
- Max UV
- 6.8 High
Wind
- Wind
- 17 km/h
- Gusts
- 26 km/h
- Direction
- WSW (243°)
Farming weather
Soil temperatures today read surface 17.1 °C, 6 cm 18.6 °C, 18 cm 19.2 °C, 54 cm 16.5 °C. Soil moisture sits at 0-1 cm at 0.41 m³/m³, 3-9 cm at 0.42 m³/m³, 27-81 cm at 0.43 m³/m³. For wheat, the root-zone reading is above the ideal 0.2-0.35 m³/m³ band. ET0 of 26 mm modestly outpaces the 12 mm of forecast rain; light supplemental irrigation may help. A suitable spraying window opens around 16:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Projected growing degree days over the next week: wheat 103, maize 64.
- Topsoil moisture
- 0.419 m³/m³
- Soil temp
- 17°C
- ET₀ today
- 3.08 mm
- Spray window
- ~5:00
- Rain (next 7d)
- 12 mm
- Wind
- 17 km/h
- Humidity
- 87%
Advisory summary
No weather alert thresholds are crossed for Westmount in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.
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All data for Westmount
| Variable | Value |
|---|---|
| City | Westmount, Quebec, Canada |
| Coordinates | 45.48341, -73.59918 |
| Elevation | 52 m |
| Timezone | America/Toronto |
| Population | 20,494 |
| Observed at (local) | 9:00 AM |
| Temperature (2 m) | 18°C |
| Apparent temperature | 17°C |
| Relative humidity (2 m) | 87% |
| Dew point (2 m) | 15°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 3 |
| Cloud cover | 94% |
| Surface pressure | 1001 hPa |
| Sea-level pressure | 1009 hPa |
| Wind speed (10 m) | 17 km/h |
| Wind gusts (10 m) | 26 km/h |
| Wind direction (10 m) | 243° (WSW) |
| Visibility | 15.9 km |
| UV index | 2 |
| Day / night | Day |
| Today max / min | 22°C / 15°C |
| Today feels-like max / min | 22°C / 14°C |
| Today precipitation sum | 0 mm |
| Today rain sum | 0 mm |
| Today snowfall sum | 0 cm |
| Today max precip probability | 36% |
| Today max wind / gusts | 17 km/h / 32 km/h |
| Dominant wind direction | 243° (WSW) |
| Sunrise / sunset | 5:05 AM / 8:46 PM |
| Daylight duration | 15h 41m |
| Sunshine duration | 10h 26m |
| Max UV index | 6.8 |
| Reference evapotranspiration (ET₀) | 3.08 mm |
| Topsoil moisture (0–1 cm) | 0.419 m³/m³ |
| Surface soil temperature | 17°C |
| US AQI | 38 |
| European AQI | 22 |
| PM2.5 | 7.6 µg/m³ |
| PM10 | 7.9 µg/m³ |
| Ozone (O₃) | 54 µg/m³ |
| Nitrogen dioxide (NO₂) | 5.6 µg/m³ |
| Sulphur dioxide (SO₂) | 2.9 µg/m³ |
| Carbon monoxide (CO) | 139 µg/m³ |
| Dust | 0 µg/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/ca/quebec/westmount" width="320" height="180" frameborder="0" title="Westmount weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in Westmount tomorrow?
Rain is unlikely in Westmount tomorrow; the precipitation chance stays around 24%.
What is the temperature in Westmount today?
Today Westmount sees overcast with a high of 22 °C and a low of 15 °C.
How hot will it be in Westmount tomorrow?
Tomorrow's high in Westmount is forecast at 24 °C with moderate drizzle.
Is it windy in Westmount today?
No, not especially; gusts only reach up to 32 km/h today.
What is the UV index in Westmount today?
The UV index peaks at 7 today, which is high.
What time is sunrise and sunset in Westmount today?
The sun rises at 05:05 and sets at 20:46 local time.
Is the air quality in Westmount good today?
Air quality is good right now, with a US AQI reading of 38.