The Weather Network’s 2025 Summer Forecast
OAKVILLE, ON, May 28, 2025 /CNW/ – It’s time to get out and explore Canada’s great outdoors! After a long winter and a sporadic spring, will we be rewarded with a warm and sunny summer to enjoy our favourite outdoor activities?
The Weather Network’s Summer Forecast calls for warmer than normal temperatures across most of Canada during the months of June, July and August. While spring struggled to deliver any consistent warm weather, most of the country will see a swift transition into the next season.
“This summer will really come through for those who have been longing for warmer weather,” said Doug Gillham, Senior Meteorologist with The Weather Network. “However, this summer will also illustrate the fact that too much hot weather brings many risks. The heat will be excessive at times, especially across western Canada where it will contribute to widespread drought conditions and a heightened risk for wildfires and poor air quality. Meanwhile, across eastern Canada, warm and humid conditions will help to fuel powerful thunderstorms at times.”
Canadian summers truly are fantastic opportunities to enjoy our spectacular scenery with extended daylight hours and much warmer temperatures. However, it is important to stay informed by regularly checking our detailed local forecasts for updates to ensure a safe and enjoyable summer.
Below is a more detailed look at the conditions expected across Canada this summer:
Ontario & Quebec – A warm and humid summer is expected which should include a few heat waves, potentially starting before Canada Day. However, we do not expect persistent heat through the summer (except west of Lake Superior). Occasional shots of cooler weather are likely, and the muggy conditions will help to fuel more frequent showers and powerful thunderstorms. However, the threat for wildfires is a major concern across northern Ontario and if this threat is realized, the fires could have a far reaching impact on the other parts of the country with smoke and a risk for poor air quality at times.
British Columbia – A hot summer is expected across the interior of the province, especially during July and August, but temperatures should be closer to seasonal near the coast. Rain totals are forecast to be near normal or below normal, so the risk for wildfires, smoke and poor air quality will be an increasing concern as we progress through the season. Scattered thunderstorms will be more widespread at times, which should provide some relief from the dry conditions. However, the storms will also bring a risk for localized flash flooding and lightning which can also ignite additional fires.
The Prairies – A hot and dry summer is expected across most of the region. Widespread drought is a major concern across the central United States and it appears that the drought will extend well north of the border and impact much of the Canadian Prairies as well. This could have a significant impact on agriculture and bring a heightened risk for wildfires with far reaching impacts from smoke and poor air quality. However, powerful thunderstorms will interrupt the periods of dry weather at times with a risk for localized severe storms.
Atlantic Canada – A warm and humid summer is expected across the Maritimes and western Newfoundland, but occasional cold fronts will bring more refreshing conditions at times. Near normal temperatures are expected for central and eastern Newfoundland. While there will be some dry stretches, showers and thunderstorms should be frequent enough to bring rain totals to near normal or above normal across the region. We will also be keeping an eye on the tropics. A more typical Atlantic hurricane season is expected, but the anticipated jet stream pattern would bring an elevated risk for a tropical system to impact the region.
Northern Canada – A warm summer is expected across most of the region with above normal temperatures expected across the N.W.T., most of Nunavut, and eastern parts of the Yukon. Near normal temperatures are expected for much of Baffin Island and the western half of the Yukon. We expect that much of the Yukon will see above normal precipitation, but near normal precipitation is expected across the rest of the region. The anticipated heat and stretches of dry weather will bring an increasing threat for wildfires, smoke and poor air quality at times.
The Weather Network: Summer 2025 Forecast
Region
Temperature Outlook
Precipitation Outlook
British Columbia
Above normal central and east;
Near normal west
Below normal southern
interior; Above normal
northwest; Near normal
elsewhere
Alberta
Above normal; Much above
normal south
Below normal south; Near
normal north
Saskatchewan
Above normal; Much above
normal south
Below normal south; Near
normal north
Manitoba
Above normal; Much above
normal south
Below normal south; Near
normal north
Ontario
Above normal; Much above
normal northwest
Above normal south, east and
far north; Below normal
northwest; Near normal
elsewhere
Québec
Above normal
Above normal south and east;
Near normal elsewhere
The Maritimes and
Newfoundland
Above normal; Near normal
central and eastern
Newfoundland
Above normal; Near normal
eastern Nova Scotia and
Newfoundland
Yukon, Northwest
Territories, Nunavut
Above normal; Near normal
western Yukon and northern
Baffin Island
Near normal; Above normal
western Yukon
Canadians can check daily forecasts by visiting www.theweathernetwork.com or by downloading The Weather Network App available on iOS and Android, and creating an account for personalized and up-to-the minute forecasts.
Complete summer forecast details, including regional breakdowns, maps and charts are available on our seasonal page at theweathernetwork.com/summer.
Interview opportunities: The Weather Network meteorologists are available for interviews between May 28-30 to provide additional details and localized insights about this year’s summer forecast.
About Pelmorex
Pelmorex is the company behind the well-known weather brands, The Weather Network, MétéoMédia, Eltiempo in Spain, Otempo in Portugal, and Clima for Spanish-speaking audiences. It helps people, communities and businesses stay informed and safe with fast, accurate forecasts and weather alerts. It also operates Canada’s National Alert Aggregation and Dissemination System, part of the Alert Ready emergency alert system.
Driven by an unwavering commitment to innovation and a vibrant entrepreneurial spirit, Pelmorex has established itself as a global leader in delivering hyper-precise global weather forecasts, personalization and insights to empower people and businesses to make informed, smart and confident decisions amidst the changing and volatile weather.
Through its relentless pursuit of excellence and groundbreaking advancements, Pelmorex continues to redefine the landscape of weather information services, solidifying its status as a trailblazer in the field.
To learn more, visit Pelmorex.com and follow us on LinkedIn.
SOURCE Pelmorex Corp.
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