Tomorrow's Weather Montréal: Thunderstorms and Warm Temps Ahead
Montréal Jun 21, 2026: Expect a warm day with scattered thunderstorms and light winds making for a dynamic weather experience.
Tomorrow's forecast:
Morning Thunderstorms Bring Showers and Mild Winds
The morning starts off mild with temperatures around 17°C and a 40% chance of thunderstorms. Light winds at 16 km/h with gusts up to 27 km/h will add a breezy feel. Rainfall is expected to be light but scattered, setting a dynamic tone for the start of the day.
Activities Recommendations for the morning of Jun 21, 2026:
Pet Walks Dress for wet conditions and keep pets close during scattered showers.
Running Prepare for intermittent rain and mild winds, ideal for a brisk but cautious run.
Leisure Walks Enjoy the cooler morning air but carry a light rain jacket for sudden showers.
Temperatures will steadily rise from mild morning levels to warm afternoon highs, creating comfortable conditions despite rain.
(Click above to view interactive map)
Afternoon Thunderstorms Peak with Warm Temperatures
Temperatures rise to a warm 23°C as the afternoon brings an 80% chance of thunderstorms. Rainfall intensifies with up to 4 mm expected, accompanied by light winds at 20 km/h and gusts reaching 32 km/h. Thunderstorms may be scattered but could bring brief heavy downpours.
Activities Recommendations for the afternoon of Jun 21, 2026:
Outdoor Events Plan for indoor alternatives or bring rain gear due to likely thunderstorms.
Cycling Expect wet roads and gusty winds; exercise caution and consider shorter routes.
Picnics Opt for covered areas or reschedule to avoid heavy rain interruptions.
Evening Showers Ease with Lingering Thunderstorm Risk
Evening temperatures remain comfortable near 22°C with a 40% chance of thunderstorms. Light winds continue at 16 km/h with gusts up to 32 km/h. Rainfall tapers off but scattered showers may persist, making for a damp but mild night.
Activities Recommendations for the evening of Jun 21, 2026:
Evening Walks Stay prepared for light showers and enjoy the cooler, fresh air.
Outdoor Dining Consider covered patios or indoor options to stay dry.
Commuting Watch for wet roads and reduced visibility due to lingering rain.
Precipitation increases notably in the afternoon with thunderstorms likely, suggesting planning for indoor activities or rain gear.
(Click above to view detailed chart)
Packing preparations for tomorrow:
Light rain jacket or umbrella
Water-resistant footwear
Light layers for warm temperatures
Hat or cap for sun protection during breaks in rain
Portable charger for devices in case of delays
Reusable water bottle to stay hydrated
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.