Current Conditions - Ottawa, ON

Latest Weather News - Ottawa

• Temperatures to nosedive in northern Ontario as cold front moves in

  Parts of northeastern Ontario can expect to see a nearly 20-degree drop in temperature over the next 24 hours thanks to a blast of wintry weather.

  Weather

  Dec 3
• Snow warnings for parts of Ontario. Here’s what to expect

  Snowfall warnings are in place for several parts of Ontario with several centimetres of snow having already fallen in many communities.

  Weather

  Nov 30
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• Hazardous snow squall warnings blanket southern Ontario

  Environment Canada has issued winter storm and snow squall warnings for southern Ontario. The heaviest snowfall is Thursday night and will continue until the end of the week.

  Weather

  Nov 27
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• Parts of northern Ontario, central Quebec face snowy storm this week

  Significant weather system in northeastern and northwestern Ontario may blow into central Quebec north of Montreal. Heavy snowfall is projected with travel advisory.

  Weather

  Nov 26
• How Ontario school boards decide when to cancel school buses

  Many Ontario families will wake up this winter wondering if school busses are cancelled. But the decision to cancel them isn't as simple as you think.

  Canada

  Nov 15
• Southern Ontario, parts of Quebec see 1st snowfall of the season

  Snow is falling on parts of southern Ontario and southern and central Quebec on Sunday with the potential for some regions to see up to 20 centimetres of snow.

  Weather

  Nov 9
• First snowfall of the season expected in the GTA this week: Environment Canada

  The GTA could see its first snow this weekend as colder air moves in with a weekend forecast of flurries expected to arrive Sunday.

  Weather

  Nov 5
• Ontario city to fine homeowners who block public paths with loose leaves

  Burlington council has approved fines for residents who leave piles of leaves blocking sidewalks, bike lanes, roads or storm drains, citing safety and flooding risks.

  Environment

  Oct 27
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• Ontario pumpkin farmers hit hard by prolonged drought: ‘Our lowest yield in 30 years’

  Ontario pumpkin farmers say there is a shortage of yield this season after taking a devastating hit due to low moisture, heat waves and a prolonged drought.

  Weather

  Oct 9
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• Fall foliage to be more ‘vibrant,’ last longer this year in Ontario

  Fall 2025 isn't officially here yet but the season's foliage is arriving earlier than usual and experts predict it will be even more beautiful in some areas.

  Weather

  Sep 20
• ‘A spooky season’: Drought and heat reducing pumpkin yield in Canadian farms

  Drought and extreme heat are cutting into the size and supply of pumpkins that are usually carved into jack-o’-lanterns for Halloween or frozen and canned for food.

  Environment

  Sep 13
• Fall-like weather heads for Ontario, breaking summer heat

  It'll be a bit of a break from the summer heat as a low-pressure system brings fall-like weather to much of southern Ontario early next week.

  Weather

  Aug 22
• ‘We are in a heat crisis’: Province should track deaths, ensure school AC, group says

  A network of Ontario civil society groups is calling on the province to develop an extreme-heat awareness program to better address the dangers of sweltering temperatures.

  Weather

  Aug 18
• Atlantic Canada sees more sweltering temperatures, relief expected in Ontario

  Extreme heat is expected to ease in many parts of Canada today, while the Atlantic provinces continue to bear the brunt of a multi-day heat wave.

  Weather

  Aug 13
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• Heat warning issued for large part of Ontario, Quebec

  Daytime highs are expected to reach 35 C in parts of Ontario and Quebec, according to a heat warning from Environment Canada. Temperatures will cool mid-week, the agency says.

  Weather

  Aug 9
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• Southern Ontario set to bake under another heat wave, humidex to go over 40 C

  A fresh warning issued by Environment Canada on Friday afternoon predicts temperatures will begin to rise on Saturday and remain high until the middle of next week.

  Weather

  Aug 8
• Wildfire smoke stays over southern Ontario, prompting air quality warnings

  On Monday morning, Environment Canada issued a special air quality statement for the vast majority of southern Ontario, predicting "poor air quality" as a result of forest fires.

  Weather

  Aug 4
• Prairies wildfire smoke prompts special air quality statement for southern Ontario

  Environment Canada says smoke from forest fires can cause reduced air quality and visibility that can fluctuate throughout the day.

  Weather

  Jul 31
• Caution advised due to bacteria levels at some Ontario beaches as heat persists

  Toronto Public Health is advising caution at the popular Centre Island beach on the Toronto Islands, after water samples showed elevated E.coli bacteria counts.

  Canada

  Jul 29
• 3 tornadoes touched down in Ontario over the weekend: Researchers

  Three tornadoes touched down in Ontario on the coastline of Lake Huron over the weekend, according to the Northern Tornadoes Project.

  Weather

  Jul 29
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• ‘It really gets to you’: Residents try to beat the heat in Toronto, southern Ontario

  The Greater Toronto Area and other parts of southern Ontario are under a heat warning as  temperatures are expected to reach up to 35 C today.

  Weather

  Jul 24
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• Environment Canada issues heat warning for southern Ontario starting Thursday

  Environment Canada issues heat warning for southern Ontario with temps up to 35 °C, humidex near 44. Little relief expected overnight; residents urged to stay cool.

  Weather

  Jul 23
• Smog episodes accumulate, have long-term health effects: doctors

  Much of Central Canada was placed under special air quality statements amid smoke from wildfires, as Environment Canada advised residents to limit time outdoors.

  Weather

  Jul 16
• Environment Canada warns of heat and thunderstorms in southern Ontario

  Environment and Climate Change Canada has issued heat warnings and thunderstorm watches for parts of the province, as well as a thunderstorm warning for Stirling, Tweed and Madoc. 

  Weather

  Jul 13