Brockville — Today, mainly sunny. Increasing cloudiness near noon then 30 percent chance of showers late this afternoon. High 26°C. Humidex 29. UV index 7 or high.
Tonight, partly cloudy with 40 percent chance of showers this evening and after midnight. Showers beginning overnight. Risk of a thunderstorm overnight. Local amount 5 mm. Low 18°C.
Sunday, showers with risk of a thunderstorm. Local amount 5 to 10 mm. High 22°C. Humidex 27. UV index 3 or moderate.
Your 5-day local forecast:
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