forecast
detailed forecast
| Extented weather forecast for Cornwall Ontario and the Seaway Issued by Environment Canada at 1530 ET Sat Aug 22 2026 |
| Tonight: Partly cloudy. 40 percent chance of showers late this evening and overnight. Low 20. Sunday: Showers with risk of a thunderstorm. Wind becoming south 30 km/h late in the afternoon. High 23. Humidex 30. Uv index 3 or moderate. Sunday Night: Cloudy with 60 percent chance of showers and risk of a thunderstorm. Wind southwest 20 km/h gusting to 40 becoming light near midnight. Wind becoming southwest 20 after midnight. Low 16. Monday: Cloudy with 60 percent chance of showers. High 20. Monday Night: Cloudy with 40 percent chance of showers. Low 14. Tuesday: Cloudy with 30 percent chance of showers. High 22. Tuesday Night: Cloudy periods. Low 13. Wednesday: A mix of sun and cloud. High 26. Wednesday Night: Cloudy periods with 30 percent chance of showers. Low 15. Thursday: Cloudy with 30 percent chance of showers. High 25. Thursday Night: Cloudy with 30 percent chance of showers. Low 17. Friday: Cloudy with 30 percent chance of showers. High 24. |
regional radar
news headlines
The Tragically Hip band members Paul Langois and Rob Baker are remembering their bandmate Gord Downie and the band's final . . . more
"This isn't us and this isn't what represents us," says mayor, who was on the scene at bar when the . . . more
Many questions have already been asked about the couple's return — but after being away for years following a tumultuous . . . more
Churchill, Man., residents are welcoming findings suggesting a longer shipping season is possible but say any expansion must weigh the . . . more
sports headlines
Melissa Humana-Paredes is happy to be back competing in Canada as she and Brandie Wilkerson prepare for another Olympic run. . . . more
Canada’s Brandie Wilkerson, right, and Melissa Humana-Paredes secured a 2-0 victory over Brazil’s Thamela Coradello Galil and Victoria Lopes Pereira . . . more
Canada's Victor Lai repeated as men's singles bronze medallist at the badminton world championships on Saturday. . . . more
Toronto Blue Jays slugger Vladimir Guerrero Jr. has been reinstated from the seven-day injured list and will be active Saturday . . . more
Brooke Henderson has work to do, but runway to do it at the CPKC Women's Open. . . . more
weather alert
air quality health index
uv forecast
explore the seaway city
discover the counties of sdg
