This data the coastal Bellevue water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Water temperature in Bellevue today is 50°F. Based on our historical data over a period of ten years, the warmest water in this day in Bellevue was recorded in 2022 and was 62.6°F, and the coldest 50°F. Water temperature in Bellevue is expected to rise to 50.5°F in the next 10 days. October average water temperature in Bellevue is 54.3°F, the minimum temperature is 42.8°F, and the maximum is 64.4°F.
The swimming season in Bellevue lasts only one month - August. During this month, Bellevue water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Bellevue in winter reaches 41.5°F, in spring 49.5°F, in summer the average temperature rises to 65.1°F, and in autumn it is 54.5°F.
October 17, 2025 |
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today temp |
50°F |
October 16, 2025 |
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yesterday temp |
50°F |
Data in a table show Bellevue temperature today (October 18, 2025). For more information and forecast for a few days, go to the weather forecast Bellevue.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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50.4°F | 50.7°F | 50.9°F | 51.1°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
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50.9°F | 52.7°F | 51.4°F | 48°F |
You may also be interested in other sections of our site for Bellevue: Sunrise and Sunset
These figures shows the average, minimum and maximum monthly water temperature in Bellevue. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Bellevue on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
Month | Avr | Min | Max | |
---|---|---|---|---|
January | 41.9°F | 37.4°F | 48.2°F | cold |
Water temperature in Bellevue in January | ||||
February | 41°F | 37.4°F | 48.2°F | cold |
Water temperature in Bellevue in February | ||||
March | 43.5°F | 37.4°F | 53.6°F | cold |
Water temperature in Bellevue in March | ||||
April | 48.9°F | 42.8°F | 57.2°F | cold |
Water temperature in Bellevue in April | ||||
May | 56.1°F | 48.2°F | 66.2°F | cold |
Water temperature in Bellevue in May | ||||
June | 60.6°F | 55.4°F | 77°F | cold |
Water temperature in Bellevue in June | ||||
July | 66.7°F | 60.8°F | 75.2°F | cold |
Water temperature in Bellevue in July | ||||
August | 68°F | 60.8°F | 75.2°F | warm |
Water temperature in Bellevue in August | ||||
September | 63.1°F | 55.4°F | 75.2°F | cold |
Water temperature in Bellevue in September | ||||
October | 54.3°F | 42.8°F | 64.4°F | cold |
Water temperature in Bellevue in October | ||||
November | 46.2°F | 37.4°F | 53.6°F | cold |
Water temperature in Bellevue in November | ||||
December | 41.9°F | 37.4°F | 50°F | cold |
Water temperature in Bellevue in December |