forecast
detailed forecast
| Extented weather forecast for Cornwall Ontario and the Seaway Issued by Environment Canada at 1530 ET Thu Jul 30 2026 |
| Tonight: Mainly cloudy. 70 percent chance of showers changing to 30 percent chance of showers this evening. Risk of a thunderstorm early this evening. Fog patches developing after midnight. Low 16. Friday: Mainly cloudy. Clearing early in the afternoon. Fog patches dissipating in the morning. High 27. Humidex 34. Uv index 8 or very high. Friday Night: Clear. Increasing cloudiness after midnight then 40 percent chance of showers before morning. Low 17. Saturday: Cloudy with 60 percent chance of showers. High 26. Saturday Night: Cloudy with 60 percent chance of showers. Low 17. Sunday: Cloudy with 60 percent chance of showers. High 24. Sunday Night: Cloudy with 40 percent chance of showers. Low 15. Monday: A mix of sun and cloud. High 26. Monday Night: Clear. Low 15. Tuesday: Sunny. High 28. Tuesday Night: Clear. Low 16. Wednesday: A mix of sun and cloud. High 29. |
regional radar
news headlines
English golf star Charley Hull might have thought she nailed a prank on her longtime caddie, Adam Woodward — but . . . more
A man who gave his son the gun he used to kill two students and two teachers at Apalachee High . . . more
sports headlines
UEFA member federations agreed Thursday to boycott all FIFA competitions in protest at Gianni Infantino's plan to sell stakes in . . . more
Danièle Sauvageau steered Canada to its first Olympic gold medal in women's hockey in 2002. She's been tasked with doing . . . more
San Jose Sharks superstar Macklin Celebrini signed a five-year, $94 million extension Wednesday that will make him the highest-paid player . . . more
Leylah Fernandez's D.C. Open title defence is over. The 23-year-old from Laval, Que., lost 6-2, 7-6 (1) to Alexandra Eala . . . more
air quality health index
uv forecast
weather alert
explore the seaway city
discover the counties of sdg
