Weather in Oshawa: October
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Average day temperature: | 57.1°F |
| Average night temperature: | 48.9°F | |
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Sea water temperature: | 58.5°F |
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Number of sunny days: | 11 days |
| Day length: | 10.3 - 11.7 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.7 in. | |
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forecast
| Oshawa |
temperature
| Oshawa |
Air temperature in October, °F
The highest day temperature during October of 2025 was 78°F. At the same time the lowest night temperature was 32°F. Daily and nightly averages during October were 59.4°F and 46.1°F.
Sea water temperature in Oshawa in October, °F
The average sea water temperature in October of 2025 was 62.2°F. The highest and lowest sea temperatures during the month were 67.6°F and 54.3°F.
Number of sunny, partly cloudy and cloudy days in October is almost equal.
Precipitation total in October, in.
Precipitation total value in Oshawa in October is 0.7 in. Other months of the year show relatively similar values.
The average wind speed value in October is 9.9 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 6.2.
Best time for vacation in Oshawa
Oshawa on a weather map
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