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Montreal Weather Forecast

Montreal Weather Forecast – Live 24-Hour St. Lawrence Valley Tracker

Get up-to-the-minute local updates for the weather in Montreal tomorrow on WeatherTomorrow.pk. Whether you are managing commercial distribution lines along the Trans-Canada corridor, commuting past Downtown sectors, tracking flight visibility at Pierre Elliott Trudeau International, or organizing winter travel through Old Montreal, our live system ensures you stay ahead of changing atmospheric patterns across Quebec’s cultural hub.

Montreal’s location within the St. Lawrence River valley generates highly active continental weather transitions, sudden wind shifts, and heavy winter precipitation cycles. Use our integrated real-time widget below to track immediate local metrics:

 

Montreal

Quebec, Canada
16°
Overcast
Overcast
Feels Like 16°
Humidity 89%
Wind 9 km/h
Wind Direction NNE (17°)
Pressure 1014 mb
Visibility 2 km
UV Index 0.8
Cloud Cover 100%

Hourly Forecast

12:00 AM
Clear
17°
Clear
💧 88% 🌧 12% 💨 7.2 km/h
1:00 AM
Clear
17°
Clear
💧 91% 🌧 14% 💨 10.1 km/h
2:00 AM
Clear
16°
Clear
💧 92% 🌧 14% 💨 10.1 km/h
3:00 AM
Clear
16°
Clear
💧 92% 🌧 14% 💨 9.7 km/h
4:00 AM
Mist
16°
Mist
💧 96% 🌧 35% 💨 9.7 km/h
5:00 AM
Mist
16°
Mist
💧 96% 🌧 18% 💨 10.1 km/h
6:00 AM
Mist
15°
Mist
💧 94% 🌧 17% 💨 10.4 km/h
7:00 AM
Overcast
16°
Overcast
💧 92% 🌧 31% 💨 9.4 km/h
8:00 AM
Overcast
16°
Overcast
💧 88% 🌧 28% 💨 9 km/h
9:00 AM
Overcast
17°
Overcast
💧 87% 🌧 28% 💨 9 km/h
10:00 AM
Overcast
16°
Overcast
💧 89% 🌧 34% 💨 9 km/h
11:00 AM
Patchy rain nearby
16°
Patchy rain nearby
💧 90% 🌧 33% 💨 8.6 km/h
12:00 PM
Patchy rain nearby
18°
Patchy rain nearby
💧 88% 🌧 23% 💨 10.4 km/h
1:00 PM
Patchy rain nearby
18°
Patchy rain nearby
💧 87% 🌧 31% 💨 14.4 km/h
2:00 PM
Patchy rain nearby
18°
Patchy rain nearby
💧 88% 🌧 30% 💨 16.9 km/h
3:00 PM
Patchy rain nearby
17°
Patchy rain nearby
💧 88% 🌧 31% 💨 16.9 km/h
4:00 PM
Patchy rain nearby
19°
Patchy rain nearby
💧 80% 🌧 19% 💨 15.8 km/h
5:00 PM
Partly Cloudy
17°
Partly Cloudy
💧 68% 🌧 7% 💨 14 km/h
6:00 PM
Sunny
18°
Sunny
💧 70% 🌧 6% 💨 12.6 km/h
7:00 PM
Cloudy
17°
Cloudy
💧 75% 🌧 18% 💨 9.4 km/h
8:00 PM
Partly Cloudy
17°
Partly Cloudy
💧 74% 🌧 11% 💨 14.4 km/h
9:00 PM
Partly Cloudy
15°
Partly Cloudy
💧 75% 🌧 12% 💨 18 km/h
10:00 PM
Overcast
15°
Overcast
💧 83% 🌧 26% 💨 17.3 km/h
11:00 PM
Thundery outbreaks in nearby
15°
Thundery outbreaks in nearby
💧 83% 🌧 27% 💨 19.1 km/h

📈 Weather Trends

Temperature

Chance of Rain

Wind Speed

Humidity

3-Day Forecast

Saturday
2026-09-05
Patchy rain nearby
19° / 15°
🌧 32%
💨 19.1 km/h
💧 86%
☀ UV 3.4
Sunday
2026-09-06
Sunny
23° / 11°
🌧 7%
💨 18.7 km/h
💧 68%
☀ UV 5.3
Monday
2026-09-07
Sunny
25° / 14°
🌧 57%
💨 19.1 km/h
💧 64%
☀ UV 5.5

🌿 Air Quality

US EPA Index
1
Good
Air quality is satisfactory and poses little or no health risk.
Air Quality Level
1 Good Low risk ● Current
2 Moderate Acceptable
3 Sensitive Sensitive groups
4 Unhealthy Everyone
5 Very Unhealthy Increased risk
6 Hazardous Emergency
US EPA Index 1
UK DEFRA Index 1
PM2.5 1.7 µg/m³
PM10 1.7 µg/m³
CO 158 µg/m³
O₃ 57 µg/m³
NO₂ 6.4 µg/m³
SO₂ 3.8 µg/m³
AQI categories are based on the US EPA air quality index supplied by the weather provider.

Sun & Moon

🌅
Sunrise
06:20 AM
🌇
Sunset
07:25 PM
🌙
Moonrise
11:57 PM
🌘
Moonset
03:56 PM
🌕
Moon Phase
Waning Crescent
Illumination
40%

Montreal Weather Tomorrow – Live 24-Hour Hourly Trends & Travel Planner

Before packing your travel gear or scheduling outdoor corporate tasks, checking the live weather in montreal tomorrow gives you a massive operational advantage. Our platform features an expansive 24-hour hourly forecast timeline. Because polar air currents can drop temperatures sharply and trigger unexpected precipitation shifts rapidly, reliance on basic numbers can leave you completely unprepared for sudden wind chill drops.

  • Interactive Trend Charts: Dive into active, visual graphs detailing shifting percentages for Chance of Rain, Snowfall probabilities, Wind Speed velocities, and dynamic Humidity levels over a rolling 24-hour period.
  • St. Lawrence Thermal Profiles: Monitor precise ambient mercury readings alongside the actual calculated “feels-like” index, which plummets brutally into freezing zones due to intense winter wind chills.
  • Astronomical Intervals: Access high-precision daily schedules tracking exact sunrise, sunset, moonrise, and moonset times.

Navigating Montreal’s Climate: Humid River Summers & Severe Polar Blizzards

Montreal experiences a humid continental climate characterized by four highly distinct seasons. Summers (June to August) are warm and noticeably humid, with daytime maximums frequently hovering around 26°C to 30°C. Due to moisture evaporation off the surrounding river basin, the “feels-like” heat index can feel significantly more intense, making our real-time UV and thermal charts vital for safety.

Conversely, winter transitions bring a complete climatic shift from December to March. The flat landscape exposes the valley to freezing polar wind drafts originating from northern Canada, sending nighttime values crashing well below freezing (-10°C to -20°C). This window brings heavy winter snowfall, severe ice storm anomalies (freezing rain), and blowing snow hazards, accompanied by dense morning fog patches that reduce highway visibility significantly.

Advanced Quebec Air Quality & Environmental Pollutant Tracking

Your respiratory safety matters. WeatherTomorrow.pk combines standard weather forecasting with a high-fidelity Air Quality Index (AQI) monitoring suite. Our Montreal environmental panel tracks detailed pollutant metrics including fine particulate matter (PM2.5 and PM10), Nitrogen Dioxide (NO2), Sulfur Dioxide (SO2), Carbon Monoxide (CO), and Ozone (O3) concentrations, allowing families to measure air cleanliness accurately in real time.

Frequently Asked Questions (FAQs)

Why are freezing rain alerts so critical for Montreal winter weather?

Montreal’s valley location can trap shallow layers of cold air at the surface while warmer air rides aloft, causing falling snow to melt and then freeze instantly upon contact with roads and power lines, creating dangerous ice glazes.

Where can I view active freeze warnings or blizzard alerts for Montreal?

Any active regional alerts, sub-zero cold wave warnings, heavy winter storm advisories, or low-visibility notices across major travel highway corridors will display instantly at the very top of this page for public safety.