Toronto Weather Update: Intense Heat Warning in Effect

Heat Warning

Heat Alert Issued for Toronto

TORONTO, ON – A heat event is expected to grip Toronto starting today, persisting into Tuesday. Daytime highs will soar to near 31°C, with humidex values reaching between 35 and 38. Overnight temperatures will offer little reprieve, staying above 20°C. A cooler air mass is anticipated to move in by Tuesday night.

Current Weather Conditions

Observed at: Toronto Pearson International Airport
Date: 5:00 AM EDT Monday, 8 July 2024
Condition: Partly Cloudy
Temperature: 19.9°C
Dew Point: 17.5°C
Humidity: 86%
Wind: WNW at 7 km/h
Pressure: 101.7 kPa (Rising)
Visibility: 24 km

Forecast for the Coming Days

Today: Monday, 8 July 2024

  • Morning: Partly cloudy skies with a temperature of 20°C.
  • Afternoon: Becoming a mix of sun and cloud by noon. High of 31°C. Humidex around 37. UV index very high at 9.
  • Evening: Few clouds with a low of 21°C.

Tomorrow: Tuesday, 9 July 2024

  • Daytime: Mainly cloudy with a 30% chance of showers in the afternoon, possibly accompanied by thunderstorms. High of 31°C. Humidex 36. UV index 9 (very high).
  • Night: Cloudy with a 30% chance of showers. Low of 20°C.

Wednesday, 10 July 2024

  • Daytime: Cloudy with a 70% chance of showers. High of 22°C.
  • Night: Continued cloudiness with a 70% chance of showers. Low of 18°C.

Thursday, 11 July 2024

  • Daytime: Cloudy with a 60% chance of showers. High of 25°C.
  • Night: Cloudy with a 30% chance of showers. Low of 19°C.

Health and Safety Advisory

The extreme heat poses significant health risks, particularly for vulnerable groups such as older adults, infants and young children, pregnant individuals, and those with physical or mental health conditions. Be alert for symptoms of heat-related illnesses, which include swelling, rash, cramps, fainting, heat exhaustion, heat stroke, and the worsening of pre-existing health conditions.

Tips for Staying Safe:

  • Drink plenty of water, even if you do not feel thirsty, to prevent dehydration.
  • Avoid leaving people or pets inside parked vehicles, as temperatures can rise quickly to dangerous levels.
  • Wear lightweight, loose-fitting clothing and a hat when outdoors.
  • Spend time in air-conditioned places whenever possible.

Historical Weather Data

  • Historic High for July 8: 34.5°C
  • Historic Low for July 8: 11.2°C

Wardrobe Suggestions

Given the high temperatures and UV index, it’s advisable to wear light, breathable clothing, sunglasses, and sunscreen. A wide-brimmed hat can provide additional protection from the sun.

Interesting Weather Trivia

Did you know? Toronto’s highest temperature ever recorded in July was a scorching 41.0°C on July 8, 1936, during the infamous heatwave of the Great Depression era. This record still stands as a testament to the city’s occasionally extreme summer weather.

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