Brockville — Today, mainly cloudy. Showers are beginning this morning. Risk of a thunderstorm this afternoon. Local amount 10 mm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 22°C. Humidex 26. UV index 3 or moderate.
Tonight, showers ending before morning, then cloudy with a 30 percent chance of showers. Risk of a thunderstorm early this evening. Local amount 10 to 20 mm. Low 12°C.
Friday, cloudy with a 40 percent chance of showers. Risk of a thunderstorm in the afternoon. High 19°C. UV index 4 or moderate.
Your 5-day local forecast:
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