Tomorrow's Weather Toronto: Thunderstorms, Muggy Heat Hits 35°C

Tomorrow's forecast:

Wet Start with Light Rain and Mild Temperatures

    Tomorrow morning in Toronto begins with a damp atmosphere as light rain showers move through, accompanied by mild temperatures near 20°C. Winds remain gentle at around 9 km/h, creating a calm but moist start to the day. Compared to today’s cooler morning, expect a warmer and wetter beginning.

Activities Recommendations for the morning of Sep 09, 2026:

• Commute Dress in waterproof layers to stay dry during morning travel through light rain.

• Pet Walks Keep pets on a leash and consider a raincoat to stay comfortable during damp conditions.

• Running Opt for moisture-wicking gear to handle the humid, rainy start without overheating.

Tomorrow will be warm with temperatures rising from around 19°C early morning to a peak of 26°C in the early afternoon, feeling hotter due to muggy conditions.

(Click above to view interactive map)

Thunderstorms Bring Heat and Humidity to Toronto

    The afternoon heats up significantly with temperatures climbing to 26°C but feeling much hotter due to high humidity, reaching a muggy 35°C. Thunderstorms are likely, with a 70% chance of precipitation and light winds increasing to 15 km/h, bringing occasional gusts that add to the unsettled weather.

Activities Recommendations for the afternoon of Sep 09, 2026:

• Outdoor Activities Plan indoor or shaded activities to avoid the intense heat and stormy conditions.

• Hydration Drink plenty of water to stay cool and counteract the muggy air.

• Travel Be prepared for possible delays due to thunderstorms and gusty winds.

Evening Thunderstorms Persist with Cooling Temperatures

    Thunderstorms continue into the evening with temperatures dropping to around 23°C, still accompanied by a 70% chance of rain. Winds remain light but steady at 17 km/h, and skies will gradually clear later, leading to partly cloudy conditions overnight with a chance of late showers.

Activities Recommendations for the evening of Sep 09, 2026:

• Evening Walks Carry an umbrella and wear light layers to stay comfortable during lingering showers.

• Commute Home Allow extra travel time as storms may cause slick roads and reduced visibility.

• Relaxation Enjoy indoor activities as the weather calms but remains humid and wet.

There is a slight chance of light rain showers throughout the day, increasing slightly in the afternoon, so carrying a light raincoat or umbrella is advisable.

(Click above to view detailed chart)

Packing preparations for tomorrow:

• Light raincoat or umbrella

• Breathable, moisture-wicking clothing

• Water bottle for hydration

• Light layers for evening

• Hat or cap for sun protection during breaks in clouds

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.