The temperatures in Sarnia in October are quite cold with temperatures between 8°C and 15°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Sarnia. 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.
Our weather forecast can give you a great sense of what weather to expect in Sarnia in October 2024.
If you’re planning to visit Sarnia in the near future, we highly recommend that you review the 14 day weather forecast for Sarnia before you arrive.
Temperatures
15° / 8°
Rainy Days
8
Snowy Days
0
Dry Days
24
Rainfall
39
mm
Sun Hours
1.7
Hrs
