forecast
detailed forecast
| Extented weather forecast for Cornwall Ontario and the Seaway Issued by Environment Canada at 0500 ET Wed Sep 9 2026 |
| Today: Cloudy. 40 percent chance of showers this morning. Showers beginning near noon. Risk of a thunderstorm this afternoon. Local amount 5 to 10 mm. Wind becoming southwest 20 km/h gusting to 40 late this afternoon. High 24. Humidex 30. Uv index 4 or moderate. Tonight: Showers ending near midnight then partly cloudy with 40 percent chance of showers. Risk of a thunderstorm this evening and after midnight. Local amount 5 to 10 mm. Wind west 30 km/h gusting to 50. Low 18. Thursday: A mix of sun and cloud. Wind west 30 km/h gusting to 50. High 22. Humidex 25. Uv index 6 or high. Thursday Night: Cloudy periods. Low 8. Friday: Sunny. High 21. Friday Night: Clear. Low 9. Saturday: Sunny. High 25. Saturday Night: Cloudy periods with 40 percent chance of showers. Low 16. Sunday: Cloudy with 60 percent chance of showers. High 23. Sunday Night: Cloudy with 30 percent chance of showers. Low 12. Monday: A mix of sun and cloud with 30 percent chance of showers. High 20. Monday Night: Cloudy with 30 percent chance of showers. Low 11. Tuesday: Cloudy with 60 percent chance of showers. High 20. |
regional radar
news headlines
Ottawa moved to acquire six GlobalEye surveillance aircraft without assurances they met military requirements — requirements not shared with competing . . . more
An investigation by CBC's visual investigations team and Radio-Canada's Décrypteurs has discovered a Vietnamese company is linked to a network . . . more
sports headlines
A report from The Representation Project from the Tokyo 2021 Olympics found that women were sexualized nearly 10 times more . . . more
World number one Aryna Sabalenka survived her toughest test of the tournament to beat Wimbledon champion Linda Noskova 7-6(1) 3-6 . . . more
Canada's men's and women's wheelchair basketball teams hope home-court advantage can help end a lengthy world championship drought. . . . more
The Canadian women's hockey team will host the United States on Oct. 28 in Windsor, Ont., for an exhibition game . . . more
Forty years after the first national women's team camp was held in Winnipeg, officials from all levels of government and . . . more
weather alert
air quality health index
uv forecast
explore the seaway city
discover the counties of sdg
