Toronto Weather Update: Hot and Humid Conditions with Thunderstorm Risks

Toronto TTC Streetcar

Current Weather Observations for Toronto

As of 6:00 AM EDT, Thursday, June 13, 2024

At Toronto Pearson International Airport, the temperature stands at a comfortable 18.4°C under mostly cloudy skies. The barometric pressure is recorded at 101.1 kPa and is on a falling trend. With a dew point of 12.3°C, the humidity level is currently 68%. Winds are blowing from the south-southwest at 8 km/h, providing a light breeze. Visibility is excellent at 24 km.

Detailed Weather Forecast for Today and Tomorrow

Today: Thursday, June 13, 2024

Toronto is gearing up for hot and humid conditions today. Early morning will start sunny, but expect a mix of sun and cloud with a 60% chance of showers by late afternoon. There’s also a risk of thunderstorms in the late afternoon, so it’s wise to stay prepared. The temperature will rise to a high of 28°C, feeling more like 33°C when factoring in the humidex. The UV index will reach a very high level of 9, necessitating sun protection.

Winds will shift to the southwest, increasing to 30 km/h and gusting up to 50 km/h late this morning, adding to the heat. Make sure to stay hydrated and take precautions against heat-related illnesses such as heat exhaustion and heat stroke.


The evening will see a continuation of showers or thunderstorms until around midnight, followed by partly cloudy skies with a 30% chance of additional showers. Winds from the southwest at 30 km/h will calm to light by late evening. The overnight low will be 18°C.

Tomorrow: Friday, June 14, 2024

The morning will begin sunny, transitioning to a mix of sun and cloud by the afternoon with a 30% chance of showers. Thunderstorms are also possible in the afternoon. The high will be 24°C with a humidex of 27, making it feel warmer. The UV index will be 7, which is high.


Clear skies will dominate the night, with temperatures dropping to a low of 14°C, providing a cooler respite after the day’s warmth.

Historical Weather Data for June 13

Toronto’s historical high for this date is 33.0°C, recorded in 1949, while the record low is a chilly 4.4°C, set in 1961.

Wardrobe Suggestions

For today, light, breathable clothing is recommended due to the high temperatures and humidity. Don’t forget your sunglasses and sunscreen due to the high UV index. An umbrella or rain jacket may be useful later in the day given the potential for showers and thunderstorms. For tonight and tomorrow, a light jacket might be handy as temperatures drop slightly.

Weather Trivia

Did you know? Toronto’s climate is influenced significantly by its proximity to Lake Ontario, which helps moderate temperatures but can also contribute to humidity levels, especially during the summer months.

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