Is it warm enough to swim in Ottawa in October? Average water temperature in Ottawa in October is 10.8°C and therefore is not suitable for comfortable swimming. The warmest water in Ottawa in October is 19°C, and the coldest is 4°C. To find out the water temperature today and in the coming days, go to Current water temperature in Ottawa
To get an accurate forecast for the water temperature in Ottawa for any chosen month, compare two years within a 10 year range using the chart below.
Day | 2024 | 2023 |
---|---|---|
1 October | 16°C | 16°C |
2 October | 15°C | 16°C |
3 October | 15°C | 17°C |
4 October | 14°C | 17°C |
5 October | 13°C | 18°C |
6 October | 12°C | 19°C |
7 October | 11°C | 18°C |
8 October | 10°C | 16°C |
9 October | 9°C | 14°C |
10 October | 9°C | 12°C |
11 October | 9°C | 12°C |
12 October | 8°C | 11°C |
13 October | 7°C | 10°C |
14 October | 7°C | 10°C |
15 October | 7°C | 9°C |
Day | 2024 | 2023 |
---|---|---|
16 October | 7°C | 10°C |
17 October | 7°C | 10°C |
18 October | 8°C | 10°C |
19 October | 9°C | 10°C |
20 October | 10°C | 11°C |
21 October | 12°C | 11°C |
22 October | 12°C | 10°C |
23 October | 12°C | 9°C |
24 October | 12°C | 8°C |
25 October | 10°C | 9°C |
26 October | 8°C | 10°C |
27 October | 7°C | 11°C |
28 October | 6°C | 12°C |
29 October | 7°C | 10°C |
30 October | 9°C | 9°C |
31 October | 8°C | 7°C |
You can also view information about water temperature for other months by clicking on the month button below