Tomorrow's Weather Montréal: Warm with Showers & Thunderstorms

Tomorrow's forecast:

Morning Showers with Mild 12°C and Breezy Winds

    The morning starts off cool at 12°C with a 70% chance of rain bringing light showers totaling around 1.9 mm. Winds are gentle but steady at 14 km/h with gusts reaching 28 km/h, creating a breezy atmosphere. This wet start contrasts with yesterday’s drier morning, signaling a shift towards more unsettled conditions as the day progresses.

Activities Recommendations for the morning of May 18, 2026:

• Dog Walks & Errands: Carry waterproof gear to stay dry during morning walks or errands amid light showers.

• Commute: Expect some wet roads and breezy conditions, so plan for a cautious and comfortable commute.

• Outdoor Yoga or Stretching: Consider indoor alternatives due to the likelihood of rain and gusty winds.

Temperatures rising steadily from 9°C early morning to a warm 22°C by early afternoon

(Click above to view interactive map)

Afternoon Warms Up to 28°C with Light Showers Possible

    Temperatures rise significantly to a warm 28°C by early afternoon, accompanied by lighter rain chances around 40% and minimal precipitation near 0.1 mm. Winds remain light at 16 km/h with gusts up to 30 km/h, maintaining a pleasant but slightly blustery feel. The sun will peek through clouds at times, offering a mix of sun and clouds for outdoor activities.

Activities Recommendations for the afternoon of May 18, 2026:

• Picnicking & Terrace Dining: Enjoy warm temperatures but keep an umbrella handy for brief showers.

• Cycling & Hiking: Ideal conditions for outdoor exercise with mild winds and warm air, just watch for passing showers.

• Outdoor Fitness Classes: Participate with light layers and be prepared for occasional rain.

Evening Thunderstorms with Warm 28°C and Stronger Winds

    The evening holds a 40% chance of thunderstorms, with temperatures steady at 28°C. Winds pick up to 22 km/h with gusts reaching 36 km/h, increasing the intensity and potential impact of storms. Cloud cover will thicken, and the atmosphere will feel more humid and charged, signaling a dynamic end to the day.

Activities Recommendations for the evening of May 18, 2026:

• Concerts & Events: Stay alert for weather updates if attending outdoor events due to possible thunderstorms.

• Commuting Home: Prepare for gusty winds and wet conditions; allow extra travel time.

• Evening Walks: Consider postponing or shortening walks to avoid stormy weather.

Light wind speeds around 11-17 km/h with gusts up to 29 km/h throughout the day

(Click above to view detailed chart)

Packing preparations for tomorrow:

• Umbrella and waterproof jacket – essential for morning showers and evening thunderstorms

• Light layers – comfortable for warm afternoon temperatures but adaptable for cooler mornings

• Sunscreen and sunglasses – protect against moderate to high midday UV exposure

• Water bottle – stay hydrated during warm periods

• Windbreaker – useful for gusty winds especially in the evening

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.