Today
Sun, Jun 21
Violent rain showers
23°15°
- Rain chance
- 32%
- Precip
- 15.8 mm
- Max wind
- 17 km/h
Saint-Léonard air quality
Quebec, Canada · Toronto time · 45.59°, -73.60°
Current conditions · 7:30 AM local
Current conditions in Saint-Léonard
17°C
Partly cloudy
Feels like 16°C
- Humidity
- 91%
- Wind
- 12 km/h WSW
- Gusts
- 19 km/h
- UV index
- 0
- Visibility
- 13.6 km
Air quality
40
Good
US AQI · European AQI 19
Air quality in Saint-Léonard is currently good, with a US AQI of 40 (European AQI 19). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 7.2 µg/m³.
Pollutants
- PM2.5
- 7.2 µg/m³
- PM10
- 7.3 µg/m³
- Ozone (O₃)
- 45 µg/m³
- NO₂
- 7.2 µg/m³
- SO₂
- 2.6 µg/m³
- CO
- 136 µg/m³
- Dust
- 0 µg/m³
AQI computed from the CAMS air quality model via Open-Meteo. Bands follow the US EPA scale.
Right now
Saint-Léonard is currently seeing partly cloudy, with 17 °C on the thermometer. It feels close to the actual reading at 17 °C. Wind is from the WSW at 12 km/h. Humidity stands at 87% with sea-level pressure near 1009 hPa.
At a glance
Today
23° / 15°Violent rain showers · 32% chance of rain
Tomorrow
23° / 14°Moderate drizzle
Upcoming · to Saturday
25° / 12°Highs 25°, lows 12°. The most active day looks like Friday, when rain chances peak at 74%.
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Next 3 days
Expect violent rain showers today, between 15 °C and 22 °C. Rain chance peaks at 32% with around 15.8 mm possible. Tomorrow brings moderate drizzle with a high of 23 °C and a low of 14 °C. Tuesday looks like dense drizzle; temperatures run from 15 °C up to 24 °C.
Tomorrow
Mon, Jun 22
Moderate drizzle
23°14°
- Rain chance
- 19%
- Precip
- 1.5 mm
- Max wind
- 17 km/h
Tuesday
Tue, Jun 23
Dense drizzle
24°15°
- Rain chance
- 15%
- Precip
- 3.5 mm
- Max wind
- 16 km/h
Next 48 hours
- 12 AM16°21%11 km/h
- 1 AM16°28%10 km/h
- 2 AM16°22%10 km/h
- 3 AM16°13%10 km/h
- 4 AM15°8%9 km/h
- 5 AM15°8%8 km/h
- 6 AM15°7%9 km/h
- 7 AM16°6%12 km/h
- 8 AM17°5%11 km/h
- 9 AM18°4%11 km/h
- 10 AM19°4%10 km/h
- 11 AM21°6%9 km/h
- 12 PM21°9%10 km/h
- 1 PM22°11%12 km/h
- 2 PM21°16%13 km/h
- 3 PM22°32%17 km/h
- 4 PM23°27%13 km/h
- 5 PM22°23%14 km/h
- 6 PM20°17%14 km/h
- 7 PM18°24%9 km/h
- 8 PM18°22%2 km/h
- 9 PM18°18%1 km/h
- 10 PM17°17%7 km/h
- 11 PM17°6%9 km/h
- 12 AM16°3%10 km/h
- 1 AM16°3%8 km/h
- 2 AM15°2%8 km/h
- 3 AM15°2%9 km/h
- 4 AM15°1%10 km/h
- 5 AM14°1%7 km/h
- 6 AM15°1%9 km/h
- 7 AM16°1%12 km/h
- 8 AM18°1%10 km/h
- 9 AM19°1%9 km/h
- 10 AM21°1%8 km/h
- 11 AM22°1%6 km/h
- 12 PM22°1%7 km/h
- 1 PM23°2%9 km/h
- 2 PM23°5%11 km/h
- 3 PM23°8%11 km/h
- 4 PM23°10%10 km/h
- 5 PM23°19%13 km/h
- 6 PM19°18%17 km/h
- 7 PM19°6%9 km/h
- 8 PM17°6%10 km/h
- 9 PM17°10%6 km/h
- 10 PM16°10%6 km/h
- 11 PM16°10%6 km/h
In depth
Saint-Léonard starts the period under partly cloudy, with the mercury at 17 °C and a feels-like of 17 °C. Today's forecast calls for violent rain showers, 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 30 km/h. Daytime highs hold fairly steady this week, staying within 21 to 25 °C. Rain is in the picture on today, tomorrow, Tuesday and beyond, with roughly 23 mm expected in total across the week. Tomorrow brings moderate drizzle with a high of 23 °C and a 19% 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 20:47, giving 15.7 hours of daylight. Current humidity sits at 87% with pressure near 1009 hPa. Looking further out, Thursday shows light drizzle with a high around 25 °C, while Saturday ends the week at 21 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.
Sun & UV
- Sunrise
- 5:05 AM
- Sunset
- 8:47 PM
- Daylight
- 15h 42m
- Max UV
- 7 High
Wind
- Wind
- 12 km/h
- Gusts
- 19 km/h
- Direction
- WSW (252°)
Farming weather
Soil temperatures today read surface 16.8 °C, 6 cm 18.1 °C, 18 cm 18.5 °C, 54 cm 16.1 °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 0.42 m³/m³. For wheat, the root-zone reading is above the ideal 0.2-0.35 m³/m³ band. Forecast rain (23 mm) roughly covers crop water demand (ET0 28 mm), so irrigation can likely be paused. A suitable spraying window opens around 06:00 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 100, maize 62.
- Topsoil moisture
- 0.413 m³/m³
- Soil temp
- 17°C
- ET₀ today
- 3.74 mm
- Spray window
- ~5:00
- Rain (next 7d)
- 23.1 mm
- Wind
- 12 km/h
- Humidity
- 91%
Advisory summary
No weather alert thresholds are crossed for Saint-Léonard 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 Saint-Léonard
| Variable | Value |
|---|---|
| City | Saint-Léonard, Quebec, Canada |
| Coordinates | 45.58773, -73.59501 |
| Elevation | 43 m |
| Timezone | America/Toronto |
| Population | 79,495 |
| Observed at (local) | 7:30 AM |
| Temperature (2 m) | 17°C |
| Apparent temperature | 16°C |
| Relative humidity (2 m) | 91% |
| Dew point (2 m) | 15°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 2 |
| Cloud cover | 66% |
| Surface pressure | 1004 hPa |
| Sea-level pressure | 1009 hPa |
| Wind speed (10 m) | 12 km/h |
| Wind gusts (10 m) | 19 km/h |
| Wind direction (10 m) | 252° (WSW) |
| Visibility | 13.6 km |
| UV index | 0 |
| Day / night | Day |
| Today max / min | 23°C / 15°C |
| Today feels-like max / min | 23°C / 15°C |
| Today precipitation sum | 15.8 mm |
| Today rain sum | 15.8 mm |
| Today snowfall sum | 0 cm |
| Today max precip probability | 32% |
| Today max wind / gusts | 17 km/h / 30 km/h |
| Dominant wind direction | 250° (WSW) |
| Sunrise / sunset | 5:05 AM / 8:47 PM |
| Daylight duration | 15h 42m |
| Sunshine duration | 9h 42m |
| Max UV index | 7 |
| Reference evapotranspiration (ET₀) | 3.74 mm |
| Topsoil moisture (0–1 cm) | 0.413 m³/m³ |
| Surface soil temperature | 17°C |
| US AQI | 40 |
| European AQI | 19 |
| PM2.5 | 7.2 µg/m³ |
| PM10 | 7.3 µg/m³ |
| Ozone (O₃) | 45 µg/m³ |
| Nitrogen dioxide (NO₂) | 7.2 µg/m³ |
| Sulphur dioxide (SO₂) | 2.6 µg/m³ |
| Carbon monoxide (CO) | 136 µg/m³ |
| Dust | 0 µg/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/ca/quebec/saint-leonard" width="320" height="180" frameborder="0" title="Saint-Léonard weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in Saint-Léonard tomorrow?
Rain is unlikely in Saint-Léonard tomorrow; the precipitation chance stays around 19%.
What is the temperature in Saint-Léonard today?
Today Saint-Léonard sees violent rain showers with a high of 22 °C and a low of 15 °C.
How hot will it be in Saint-Léonard tomorrow?
Tomorrow's high in Saint-Léonard is forecast at 23 °C with moderate drizzle.
Is it windy in Saint-Léonard today?
No, not especially; gusts only reach up to 30 km/h today.
What is the UV index in Saint-Léonard today?
The UV index peaks at 7 today, which is high.
What time is sunrise and sunset in Saint-Léonard today?
The sun rises at 05:05 and sets at 20:47 local time.
Is the air quality in Saint-Léonard good today?
Air quality is good right now, with a US AQI reading of 40.