Tomorrow's Weather Toronto: Heat Warning, Thunderstorms Expected

Tomorrow's forecast:

Morning: Warm Start with Light Rain and Breezy Winds

    The morning begins with a mild 19°C temperature accompanied by a 40% chance of light rain totaling around 0.3 mm. Winds pick up to 20 km/h with gusts reaching 44 km/h, creating a breezy atmosphere. This sets a dynamic start to the day with humidity already noticeable.

Activities Recommendations for the morning of May 19, 2026:

• Dog Walks & Errands: A light drizzle and breezy conditions make it suitable for quick outdoor tasks and pet walks with appropriate rain gear.

• Commute: Expect breezy winds but manageable conditions for a smooth morning commute.

• Outdoor Yoga or Stretching: Early morning sessions can be refreshing before the heat intensifies.

Temperature rising from 18°C early morning to a muggy 26°C by afternoon

(Click above to view interactive map)

Afternoon: Hot, Humid with Thunderstorms and Strong Winds

    Temperatures rise sharply to a muggy 29°C, feeling like 35°C due to high humidity. Thunderstorms are likely with a 40% chance and about 0.9 mm of rain expected. Winds strengthen to 30 km/h with gusts up to 48 km/h, making it a blustery and intense afternoon.

Activities Recommendations for the afternoon of May 19, 2026:

• Outdoor Fitness Classes: Consider indoor alternatives or schedule activities earlier to avoid the heat and storms.

• Cycling & Urban Hiking: Be cautious of sudden thunderstorms and strong gusts; plan routes with shelter options.

• Patio Dining: Enjoy shaded or indoor seating to stay comfortable during the humid conditions.

Evening: Cooling Down with Thunderstorms and Persistent Winds

    Evening temperatures drop to a cooler 22°C but remain humid with a 70% chance of thunderstorms bringing 3.6 mm of rain. Winds continue to be strong at 22 km/h with gusts up to 48 km/h, maintaining a lively and wet atmosphere as the day winds down.

Activities Recommendations for the evening of May 19, 2026:

• Farmers' Markets & Outdoor Events: Be prepared for rain and gusty winds; carry rain protection.

• Webinar & Indoor Activities: Ideal time to enjoy indoor events like the natural asset management webinar.

• Relaxing at Home: A perfect evening to unwind indoors while listening to the rain.

Wind speeds increasing to a breezy 26 km/h with gusts up to 44 km/h by afternoon

(Click above to view detailed chart)

Packing preparations for tomorrow:

• Sunscreen & sunglasses – for very high midday UV exposure

• Light rain jacket or umbrella – to stay dry during scattered showers and thunderstorms

• Lightweight, breathable clothing – to handle the heat and humidity

• Water bottle – essential for staying hydrated throughout the hot day

• Hat – for sun protection during outdoor activities

• Air quality mask – recommended for sensitive individuals due to unhealthy air quality

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.