The temperatures in Brockville in October are quite cold with temperatures between 6°C and 14°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Brockville. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Please note that Brockville can expect a few days of snow in October.
Our weather forecast can give you a great sense of what weather to expect in Brockville in October 2025.
If you’re planning to visit Brockville in the near future, we highly recommend that you review the 14 day weather forecast for Brockville before you arrive.
Temperatures
14° / 6°
Rainy Days
8
Snowy Days
1
Dry Days
22
Rainfall
125
mm
Sun Hours
4.7
Hrs
