Our Cornwall skaters at the Optimist Park Skatepark
forecast
detailed forecast
| Extented weather forecast for Cornwall Ontario and the Seaway Issued by Environment Canada at 1500 utc Jun 11 2026 |
| Today: A mix of sun and cloud. 40 percent chance of showers this afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 29. Humidex 37. Uv index 9 or very high. Tonight: Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 18. Friday: Mainly cloudy. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 in the morning. High 30. Humidex 39. Uv index 10 or very high. Friday Night: Cloudy periods with 40 percent chance of showers. Low 15. Saturday: Sunny. High 29. Saturday Night: Cloudy periods with 30 percent chance of showers. Low 15. Sunday: Cloudy with 60 percent chance of showers. High 28. Sunday Night: Cloudy with 40 percent chance of showers. Low 14. Monday: A mix of sun and cloud. High 21. Monday Night: Cloudy periods. Low 11. Tuesday: A mix of sun and cloud with 30 percent chance of showers. High 24. Tuesday Night: Cloudy. Low 13. Wednesday: Cloudy. High 23. |
regional radar
Rain Snow Ice Mix
air quality health index
today's UV forecastExtreme11+
Very High8–10
High6–7
Moderate3–5
Low1–2
9 VERY HIGH
Sun protection recommended
Jun 11, 2026 11:30
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