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Tomorrow's Weather Montréal: Snowfall & Chilly Temps

The Weather NetworkThe Weather Network's AI & Data Team
Published on Mar. 20, 2026, 10:00 AM

Montréal Mar 21, 2026: Expect a chilly day with snowfall impacting travel and outdoor plans.

Tomorrow's forecast:

Morning: Clear Skies, Cold at -7°C, Light Winds

    The morning starts off clear and cold with temperatures around -7°C and light winds at 11 km/h. A 30% chance of light precipitation may bring some snow flurries, setting a crisp tone for the day ahead. Travel conditions could be challenging due to ongoing snowfall.

Activities Recommendations for the morning of Mar 21, 2026:

  • Commute: Allow extra time for travel as snowfall may cause slippery roads and reduced visibility.

  • Dog Walks & Errands: Dress warmly and be cautious on snowy sidewalks during morning outings.

  • Winter Hiking: Ideal for early risers at Parc-nature de l'Île-de-la-Visitation with clear skies and fresh snow.

Temperatures gradually rising from -7°C early morning to 1°C by afternoon

(Click above to view interactive map)

Afternoon: Clear Skies, Mild Rise to 2°C, Light Winds

    Afternoon temperatures climb to a milder 2°C with continued clear skies and light winds around 11 km/h. The chance of precipitation drops to 10%, but snowfall may still affect road conditions. The snow accumulation could reach up to 10 cm, so caution remains important.

Activities Recommendations for the afternoon of Mar 21, 2026:

  • Outdoor Activities: Great time for skiing at Ski Mont Rigaud or snowshoeing at Frédéric-Back Park under clear skies.

  • Outdoor Dining: Enjoy a warm drink at outdoor patios if you dress in layers to stay comfortable.

  • Cultural Events: Attend the Cabane Panache et Bois Rond Sugar Shack Festival or theatrical performances with minimal weather disruptions.

Evening: Cloudy, Cooling to -2°C, Light Winds, Snow Flurries

    Clouds increase in the evening with temperatures dropping to -2°C and light winds at 10 km/h. Snow flurries return with a 30% chance, potentially making travel conditions slippery. The snowfall may continue to accumulate, so plan accordingly for a chilly night.

Activities Recommendations for the evening of Mar 21, 2026:

  • Commute: Exercise caution during evening travel as snow flurries may reduce visibility and road traction.

  • Indoor Events: Consider attending indoor cultural events like the Goblin: Macbeth performance at Centaur Theatre.

  • Evening Walks: Dress warmly and be mindful of slippery surfaces if heading outdoors.

Wind remains light throughout the day with speeds around 9-13 km/h and gusts up to 20 km/h

(Click above to view detailed chart)

Packing preparations for tomorrow:

  • Warm winter coat and insulated layers to combat cold temperatures

  • Waterproof boots with good traction for snowy and slippery conditions

  • Hat, gloves, and scarf to protect against wind chill

  • Umbrella or waterproof gear in case of snow showers

  • Extra time for travel due to snowfall and potentially difficult road conditions

  • Sunglasses for moderate midday UV exposure

For active alerts in your area, visit your Alerts page. This article was generated with the use of OpenAI and The Weather Network's forecast data. The article was reviewed by the editorial team for accuracy and clarity. For more details visit our AI Code of Ethics. For feedback, visit our survey.