Weather in Bellevue: October
| Average day temperature: | 59.8°F | |
| Average night temperature: | 48.8°F | |
| Sea water temperature: | 54.6°F | |
| Number of sunny days: | 11 days | |
| Day length: | 10.0 - 11.6 hours | |
| Number of rainy days: | 3 days | |
| Precipitation totals: | 1.4 in. | |
| more information | ||
forecast
| Bellevue |
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| Bellevue |
Air temperature in October, °F
The highest day temperature during October of 2025 was 71°F. At the same time the lowest night temperature was 40°F. Daily and nightly averages during October were 58.8°F and 48.0°F.
Sea water temperature in Bellevue in October, °F
The average sea water temperature in October of 2025 was 55.2°F. The highest and lowest sea temperatures during the month were 57.2°F and 54.0°F.
Mostly all days in October are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in October, in.
Precipitation total value in Bellevue in October is 1.4 in. Other months of the year show relatively similar values.
The average wind speed value in October is 4.3 mph It makes October one of the least windy months of the year.
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: 5.7.
Best time for vacation in Bellevue
Bellevue on a weather map

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