May 21 2024 – Toronto Weather Get Set to Get Wet With Rain or Humidity

Toronto TTC Streetcar

Good morning, Toronto! As we step into Tuesday, May 21, 2024, the city is experiencing mostly cloudy conditions with a moderate breeze. Prepare for a warm day with the possibility of showers and thunderstorms. Here’s your detailed weather forecast.

Today’s Weather Overview

Current Conditions

As of 5:00 AM EDT, observed at Toronto Pearson International Airport:

  • Temperature: 19.1°C
  • Wind: Northeast at 14 km/h
  • Pressure: 101.1 kPa (falling)
  • Humidity: 87%
  • Dew Point: 16.8°C
  • Visibility: 24 km


Expect mainly cloudy skies with a 30 percent chance of showers and a risk of thunderstorms. Winds will shift to the southwest, reaching 20 km/h late this afternoon. The high for today will be 27°C, with a humidex value making it feel like 35°C. The UV index is very high at 8, so make sure to take precautions if you’re spending time outdoors.


Partly cloudy skies will dominate tonight with a 30 percent chance of showers early in the evening, accompanied by the risk of thunderstorms. Winds will calm down to light speeds after transitioning from southwest at 20 km/h. The low will be around 20°C.

Tomorrow’s Forecast

Expected Conditions

Wednesday, May 22, 2024

  • Daytime: A mix of sun and clouds with a 40 percent chance of showers in the afternoon, along with the risk of thunderstorms. The wind will pick up, becoming southwest at 30 km/h with gusts up to 50 km/h in the morning. The high will reach 27°C, with a humidex of 30. The UV index will be very high at 9.
  • Nighttime: Cloudy periods with a 60 percent chance of showers. The low will be 16°C.

Thursday, May 23, 2024

  • Daytime: The skies will clear, offering a bright and sunny day. The high will be 24°C.
  • Nighttime: Clear skies will continue into the night, with the temperature dropping to a low of 11°C.

Wardrobe Recommendations

  • Today: Light, breathable clothing is recommended due to the high humidex. Don’t forget sunscreen and a hat given the very high UV index. Keep an umbrella or raincoat handy for the potential showers and thunderstorms.
  • Tomorrow: Dress in layers to adjust for the fluctuating temperatures and windy conditions. Prepare for possible rain and thunderstorms with waterproof outerwear.
  • Thursday: Sunglasses and lighter clothing will be perfect for the sunny weather. A light jacket may be necessary for the cooler evening.

Weather Trivia

Did you know that Toronto’s weather can be heavily influenced by its proximity to Lake Ontario? The lake effect can lead to rapid changes in weather conditions, especially in spring and fall. This can result in a mix of sunny and rainy days within short periods.

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