Current Conditions - Hamilton, ON

Latest Weather News - Hamilton

• Heat warning issued for southern Ontario, expected to last into Thursday

  The alert issued Friday morning says daytime highs for areas between Windsor and Cornwall are expected to range from 29 C to 32 C.

  Weather

  Jul 11
• ‘Pay attention’: Why Southern Ontario is the tornado hotspot of Canada

  Summer in Ontario may bring with it warm weather, but last week's tornado in Lucan is a reminder that it’s also tornado season.

  Weather

  Jul 9
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• Heat warning issued for large portion of southern Ontario

  Environment Canada has issued a heat warning for Saturday and Sunday for an area that stretches from Peterborough to Windsor and includes Toronto, Hamilton, London and Barrie.

  Weather

  Jul 4
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• Video shows moment powerful lightning strikes Ontario school during grad ceremony

  A graduation ceremony being held at London South Collegiate Institute was interrupted Tuesday night after lightning struck and damaged the building it was being held in.

  Weather

  Jun 25
• Heat dome over Ontario, Quebec breaks temperature records, more humidity in store

  Toronto set a new June 23 temperature record when the mercury hit 36 degrees.

  Weather

  Jun 24
• Heat warning still in effect as Ontario, Quebec battle scorching temperatures

  Much of Ontario and southwestern Quebec will continue to bake in high temperatures Monday and Tuesday as a heat dome lingers over the region.

  Weather

  Jun 23
• ‘Heat dome’ over Ontario and Quebec causing wild weather across much of Canada

  Environment Canada says scorching temperatures over the east are causing below-normal temperatures in other regions, leading to wet snow and heavy rain warnings in the West.

  Canada

  Jun 22
• Environment Canada issues heat warnings for parts of Ontario, Quebec amid heat wave

  Environment Canada issued its first significant heat warning of the season on Saturday for southern and eastern Ontario and southern and western Quebec.

  Canada

  Jun 21
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• Summer heat wave set to hit Ontario may bring temperatures not seen in years

  Southern Ontario is set to get hit with a strong heat wave just in time for the official start of summer.

  Canada

  Jun 20
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• Wildfire near two Ontario First Nations ‘like a sleeping giant’ for now, MPP says

  A massive wildfire near Sandy Lake is "like a sleeping giant," says MPP Sol Mamakwa. Over 2,000 evacuees fled as Red Lake 12 grows past 160,000 hectares.

  Fire

  Jun 13
• Air quality alerts ease across much of Quebec and Ontario after days of haze

  Air quality has improved in much of Quebec and Ontario, but wildfire smoke continues to affect parts of the Prairies, northern Ontario, and eastern Quebec.

  Environment

  Jun 8
• Air quality watches, statements issued for a large portion of Ontario

  With wildfire smoke looming over Ontario, Environment Canada has issued air quality watches and statements for a large portion of the province.

  Canada

  Jun 5
• Smoke from western wildfires to blame for hazy southern Ontario skies

  In northern Ontario, air quality warnings have been issued by Environment Canada in connection to forest fires, but the southern part of the province has been impacted as well.

  Weather

  Jun 3
• Chill, Ontario: Why warm, sunny days are on the way after very cool May

  'The low temperature of 4.9 C at Pearson airport was the coldest June temperature in the last 20 years,' Global News chief meteorologist Anthony Farnell said.

  Weather

  Jun 2
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• Canada’s summer forecast 2025: Hot and dry conditions a concern for wildfires

  This summer especially, many of us will be exploring our own country like never before and the weather will play an important role in where we visit and when.

  Weather

  Jun 1
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• Researchers confirm 1st tornado of 2025 in Ontario has touched down

  Tornado season is officially underway in Ontario as the first one touched down near Woodstock, Ont., a week ago, according to weather researchers.

  Canada

  May 23
• Ontarians to see wild swing in weather throughout Victoria Day long weekend

  The Victoria Day long weekend is often the start to summer for many Ontarians with many heading to trailers and cottages to kick off the season.

  Weather

  May 15
• Wildfires raging in northwestern Ontario trigger evacuation alerts

  Fast-growing wildfires in northwestern Ontario have triggered evacuation alerts, as extreme heat and smoke continue to impact communities near the Manitoba border.

  Weather

  May 14
• Thousands without power after Ontario thunderstorms

  A powerful storm Tuesday evening toppled trees and power lines in Ontario, where thousands remained without power Wednesday morning.

  Canada

  Apr 30
• Severe storms possible for southern Ontario, including Toronto

  With temperatures rising, southern Ontario could see some wicked weather this afternoon as conditions are ripe for strong storms, according to Global News meteorologist Ross Hull.

  Weather

  Apr 29
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• 17,500 customers still without power after Ontario ice storm: Hydro One

  Some 17,500 customers are still without electricity more than a week after a powerful spring storm encrusted parts of central and eastern Ontario with ice.

  Weather

  Apr 9
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• More than 34,000 customers remain powerless after spring storm tears through Ontario

  Just over 35,000 customers still don't have power back in Ontario more than a week after a storm tore through the central and eastern parts of the province.

  Weather

  Apr 8
• Experts, wood exporters try to tally trees lost during Ontario ice storm

  Researchers say Southern Ontario can't afford to lose more trees, but work can be done to mitigate the effects -- which include an increased risk of flooding - in urban areas.

  Environment

  Apr 4
• Spring storm causes waste spill in Ontario lake, Quebec under freezing rain warning

  An Ontario town is asking its resident to avoid taking a shower or flushing the toilet for the time being due heavy rainfall in the region.

  Weather

  Apr 3