Water temperature in Lake Washington (WA) in June
Is it warm enough to swim in Lake Washington in June? Average water temperature in Lake Washington in June is 60.6°F and therefore is not suitable for comfortable swimming. The warmest water in Lake Washington in June is 77°F, and the coldest is 55.4°F. To find out the water temperature today and in the coming days, go to Current water temperature in Lake Washington
Changes water temperature in Lake Washington in June 2025, 2024
To get an accurate forecast for the water temperature in Lake Washington for any chosen month, compare two years within a 10 year range using the chart below.
You can choose any other years:
| Day |
2025 |
2024 |
| June 1 | 62.6°F | 55.4°F |
| June 2 | 60.8°F | 55.4°F |
| June 3 | 60.8°F | 55.4°F |
| June 4 | 60.8°F | 57.2°F |
| June 5 | 62.6°F | 57.2°F |
| June 6 | 64.4°F | 57.2°F |
| June 7 | 66.2°F | 59°F |
| June 8 | 68°F | 60.8°F |
| June 9 | 68°F | 60.8°F |
| June 10 | 68°F | 60.8°F |
| June 11 | 66.2°F | 60.8°F |
| June 12 | 64.4°F | 60.8°F |
| June 13 | 64.4°F | 59°F |
| June 14 | 60.8°F | 57.2°F |
| June 15 | 60.8°F | 57.2°F |
| Day |
2025 |
2024 |
| June 16 | 60.8°F | 57.2°F |
| June 17 | 60.8°F | 57.2°F |
| June 18 | 60.8°F | 59°F |
| June 19 | 60.8°F | 59°F |
| June 20 | 60.8°F | 60.8°F |
| June 21 | 60.8°F | 62.6°F |
| June 22 | 60.8°F | 64.4°F |
| June 23 | 60.8°F | 64.4°F |
| June 24 | 60.8°F | 66.2°F |
| June 25 | 60.8°F | 64.4°F |
| June 26 | 62.6°F | 64.4°F |
| June 27 | 64.4°F | 62.6°F |
| June 28 | 64.4°F | 62.6°F |
| June 29 | 66.2°F | 62.6°F |
| June 30 | 66.2°F | 62.6°F |
Average water temperature in Lake Washington in June over a decade
| 2016 | 2017 | 2018 | 2019 | 2020 |
| | 60.6°F | 61.3°F | 58.8°F |
| 2021 | 2022 | 2023 | 2024 | 2025 |
| 62.4°F | 58.5°F | 60.4°F | 60.1°F | 63°F |
Lake Washington water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below
