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Current conditions
Our Cornwall skaters at the Optimist Park Skatepark
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forecast

detailed forecast

Extented weather forecast for Cornwall Ontario and the Seaway
Issued by Environment Canada at 1539 utc May 21 2026
Today: Sunny. High 16. Uv index 8 or very high.
Tonight: Clear. Low zero with patchy frost.
Friday: Sunny. High 20. Uv index 8 or very high.
Friday Night: Increasing cloudiness. Low 8.
Saturday: Cloudy. High 18.
Saturday Night: Showers. Low 10.
Sunday: Showers. High 14.
Sunday Night: Cloudy with 40 percent chance of showers. Low 13.
Monday: Cloudy with 40 percent chance of showers. High 19.
Monday Night: Cloudy periods with 30 percent chance of showers. Low 13.
Tuesday: A mix of sun and cloud. High 23.
Tuesday Night: Cloudy periods with 30 percent chance of showers. Low 13.
Wednesday: A mix of sun and cloud. High 25.

sports headlines

Victorious: How Montreal brought the Walter Cup to Canada for the 1st time

The Montreal Victoire defeated the Ottawa Charge 4-0 in Game 4 to clinch the PWHL's championship, becoming the first Canadian PWHL franchise to take home . . . more

Hosting FIFA World Cup will cost taxpayers $1B: watchdog report

Hosting the 2026 World Cup will cost governments across Canada more than a billion dollars, putting the cost per game at $82 million, according to . . . more

Abby Roque scores twice as Victoire blank Charge to become 1st Canadian PWHL champion

Abby Roque scored twice to lead the Montreal Victoire to their first Walter Cup trophy Wednesday night with a 4-0 victory over the Ottawa Charge. . . . more

5 things to know as Habs, Hurricanes face off in Eastern Conference final

The Montreal Canadiens and Carolina Hurricanes will face off in the third round of the Stanley Cup playoffs after taking completely different routes to get . . . more

Game of inches: The PWHL's Walter Cup playoffs have been a collection of close contests

All but two playoff games have been decided by just one goal this spring, a sign of the league's parity. . . . more

Jayna Hefford confident in talent pool for PWHL's 4 expansion teams

Professional Women'd Hockey League leaders believe talent pool is up to the task of filling four new teams next season and maintaining a high level . . . more

Predicting who makes Canada's World Cup roster

With the World Cup just around the corner, Canada’s roster decisions are heating up. We break down who the locks are, who’s on the bubble, . . . more

Avalanche minus top defenceman Cale Makar for Western Conference final opener

Colorado defenceman Cale Makar will miss Game 1 of the Western Conference Final against Vegas on Wednesday night with an upper-body injury. . . . more

CBC Sports reporter Devin Heroux honoured with Wheelchair Curling Sport Leadership award

CBC Sports reporter Devin Heroux is one of three recipients to be honoured with the first-ever Wheelchair Curling Sport Leadership award, Curling Canada announced on . . . more

Canadian swim star McIntosh deep into work with legendary coach, aimed toward 5 gold medals at L.A. Olympics

It's head down and full steam ahead for Summer McIntosh as she continues her pursuit of five individual gold medals at the 2028 L.A. Olympics. . . . more

this day in history

On May 21st

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Cornwall Air Quality Health Index
12345 678910+
AQHI: 2.16   |   Risk: Low
May 21, 2026 18:00 UTC

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