Skip to content
Weather Tomorrow

Laval weather forecast

Quebec, Canada · Toronto time · 45.57°, -73.69°

Current conditions · 8:45 AM local

Current conditions in Laval

18°C

Overcast

Feels like 16°C

Humidity
90%
Wind
14 km/h WSW
Gusts
22 km/h
UV index
0
Visibility
14.1 km

Right now

Conditions in Laval at the moment: overcast, 18 °C. It feels close to the actual reading at 18 °C. Wind is from the WSW at 14 km/h. Humidity stands at 84% with sea-level pressure near 1009 hPa.

At a glance

Today

22° / 15°

Moderate drizzle · 33% chance of rain

Tomorrow

23° / 14°

Light drizzle

Upcoming · to Saturday

25° / 14°

Highs 25°, lows 14°. The most active day looks like Friday, when rain chances peak at 73%.

Next 3 days

Today looks like moderate drizzle; temperatures run from 15 °C up to 22 °C. Rain chance peaks at 33% with around 2.4 mm possible. Expect light drizzle tomorrow, between 14 °C and 23 °C. Tuesday brings light drizzle with a high of 25 °C and a low of 14 °C.

Today

Sun, Jun 21

Moderate drizzle

22°15°

Rain chance
33%
Precip
2.4 mm
Max wind
19 km/h

Tomorrow

Mon, Jun 22

Light drizzle

23°14°

Rain chance
23%
Precip
1.2 mm
Max wind
19 km/h

Tuesday

Tue, Jun 23

Light drizzle

25°14°

Rain chance
15%
Precip
0.5 mm
Max wind
20 km/h

Next 48 hours

  1. 12 AM16°24%10 km/h
  2. 1 AM16°33%6 km/h
  3. 2 AM16°26%6 km/h
  4. 3 AM15°15%8 km/h
  5. 4 AM15°9%6 km/h
  6. 5 AM15°9%7 km/h
  7. 6 AM15°7%6 km/h
  8. 7 AM16°8%11 km/h
  9. 8 AM17°5%12 km/h
  10. 9 AM18°4%14 km/h
  11. 10 AM19°4%14 km/h
  12. 11 AM20°6%13 km/h
  13. 12 PM21°8%14 km/h
  14. 1 PM21°13%13 km/h
  15. 2 PM22°16%17 km/h
  16. 3 PM21°26%7 km/h
  17. 4 PM19°24%1 km/h
  18. 5 PM22°20%4 km/h
  19. 6 PM22°18%7 km/h
  20. 7 PM18°20%15 km/h
  21. 8 PM17°18%19 km/h
  22. 9 PM17°16%6 km/h
  23. 10 PM16°14%7 km/h
  24. 11 PM16°5%8 km/h
  25. 12 AM16°5%5 km/h
  26. 1 AM15°2%6 km/h
  27. 2 AM15°2%6 km/h
  28. 3 AM14°2%6 km/h
  29. 4 AM14°1%5 km/h
  30. 5 AM14°1%7 km/h
  31. 6 AM14°1%7 km/h
  32. 7 AM16°1%8 km/h
  33. 8 AM17°1%9 km/h
  34. 9 AM19°1%8 km/h
  35. 10 AM21°1%6 km/h
  36. 11 AM22°1%5 km/h
  37. 12 PM22°1%7 km/h
  38. 1 PM23°2%10 km/h
  39. 2 PM23°5%10 km/h
  40. 3 PM23°9%11 km/h
  41. 4 PM23°12%10 km/h
  42. 5 PM22°21%19 km/h
  43. 6 PM19°20%16 km/h
  44. 7 PM19°23%11 km/h
  45. 8 PM18°7%9 km/h
  46. 9 PM17°11%4 km/h
  47. 10 PM16°11%6 km/h
  48. 11 PM16°11%6 km/h

In depth

Laval starts the period under overcast, with the mercury at 18 °C and a feels-like of 18 °C. Today's forecast calls for moderate drizzle, topping out near 22 °C before falling back to 15 °C overnight. Winds blow mainly from the WSW around 18 km/h, with gusts up to 39 km/h. Daytime highs hold fairly steady this week, staying within 22 to 25 °C. Rain is in the picture on today, tomorrow, Thursday and beyond, with roughly 16 mm expected in total across the week. Tomorrow brings light drizzle with a high of 23 °C and a 23% 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 84% with pressure near 1009 hPa. Looking further out, Thursday shows moderate rain showers with a high around 24 °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

39

Good

US AQI · European AQI 19

Air quality in Laval is currently good, with a US AQI of 39 (European AQI 19). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 7.5 µg/m³.

Pollutants

PM2.5
7.5 µg/m³
PM10
7.7 µg/m³
Ozone (O₃)
48 µg/m³
NO₂
6.5 µg/m³
SO₂
2.8 µg/m³
CO
130 µg/m³
Dust
0 µg/m³

Sun & UV

Sunrise
5:05 AM
Sunset
8:47 PM
Daylight
15h 42m
Max UV
7.2 High

Wind

Wind
14 km/h
Gusts
22 km/h
Direction
WSW (242°)

Farming weather

Soil temperatures today read surface 16.1 °C, 6 cm 17.2 °C, 18 cm 17.4 °C, 54 cm 15 °C. Soil moisture sits at 0-1 cm at 0.41 m³/m³, 3-9 cm at 0.41 m³/m³, 27-81 cm at 0.41 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 16 mm of forecast rain; light supplemental irrigation may help. 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 102, maize 64.

Topsoil moisture
0.4 m³/m³
Soil temp
16°C
ET₀ today
3.28 mm
Spray window
~5:00
Rain (next 7d)
15.5 mm
Wind
14 km/h
Humidity
90%

Full farming outlook for Laval →

Advisory summary

No weather alert thresholds are crossed for Laval in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.

All data for Laval
Every forecast variable for Laval with human-readable labels
VariableValue
CityLaval, Quebec, Canada
Coordinates45.56995, -73.692
Elevation34 m
TimezoneAmerica/Toronto
Population438,366
Observed at (local)8:45 AM
Temperature (2 m)18°C
Apparent temperature16°C
Relative humidity (2 m)90%
Dew point (2 m)15°C
Precipitation (last hour)0 mm
Rain0 mm
Showers0 mm
Snowfall0 cm
Weather code (WMO)3
Cloud cover93%
Surface pressure1005 hPa
Sea-level pressure1009 hPa
Wind speed (10 m)14 km/h
Wind gusts (10 m)22 km/h
Wind direction (10 m)242° (WSW)
Visibility14.1 km
UV index0
Day / nightDay
Today max / min22°C / 15°C
Today feels-like max / min22°C / 15°C
Today precipitation sum2.4 mm
Today rain sum2.4 mm
Today snowfall sum0 cm
Today max precip probability33%
Today max wind / gusts19 km/h / 39 km/h
Dominant wind direction245° (WSW)
Sunrise / sunset5:05 AM / 8:47 PM
Daylight duration15h 42m
Sunshine duration9h 10m
Max UV index7.2
Reference evapotranspiration (ET₀)3.28 mm
Topsoil moisture (0–1 cm)0.4 m³/m³
Surface soil temperature16°C
US AQI39
European AQI19
PM2.57.5 µg/m³
PM107.7 µg/m³
Ozone (O₃)48 µg/m³
Nitrogen dioxide (NO₂)6.5 µg/m³
Sulphur dioxide (SO₂)2.8 µg/m³
Carbon monoxide (CO)130 µg/m³
Dust0 µg/m³

Weather widget

Preview widget →

Add live Laval weather to your own site — paste this snippet anywhere HTML is allowed. It stays in sync automatically.

<iframe src="https://weathertomorrow.cloud/embed/city/ca/quebec/laval" width="320" height="180" frameborder="0" title="Laval weather" loading="lazy"></iframe>

Frequently asked questions

Will it rain in Laval tomorrow?

Rain is unlikely in Laval tomorrow; the precipitation chance stays around 23%.

What is the temperature in Laval today?

Today Laval sees moderate drizzle with a high of 22 °C and a low of 15 °C.

How hot will it be in Laval tomorrow?

Tomorrow's high in Laval is forecast at 23 °C with light drizzle.

Is it windy in Laval today?

No, not especially; gusts only reach up to 39 km/h today.

What is the UV index in Laval today?

The UV index peaks at 7 today, which is high.

What time is sunrise and sunset in Laval today?

The sun rises at 05:05 and sets at 20:47 local time.

Is the air quality in Laval good today?

Air quality is good right now, with a US AQI reading of 39.