Lewis Lake Weather Forecast
- 42
- 60
Increasing Clouds
- 47
- 62
Chance Rain Showers
- 48
- 59
Rain Showers Likely
- 47
- 62
Chance Rain Showers
- 47
- 68
Mostly Sunny
- 46
- 67
Mostly Sunny
- 44
- 64
Mostly Sunny
Today 19 Jul Cascades of Whatcom and Skagit Counties
Partly sunny. Freezing level near 11500 feet.
Tonight 19 Jul Cascades of Whatcom and Skagit Counties
Partly cloudy until early morning then becoming mostly cloudy. Freezing level near 11500 feet.
Lewis Lake Temperature Statistics
July Temperature
Omak Airport (57.8 miles)
Lowest 11 July, 2025
52.6 °FAverage July
76.9 °FHighest 13 July, 2025
103.6 °F
Climate (2020–Present)
Omak Airport (57.8 miles)
Average Low 2020–2025
40.6 °FAverage 2020–2025
51.7 °FAverage High 2020–2025
62.7 °F