Lake Cavanaugh Weather Forecast
- 51
- 74
Decreasing Clouds
- 55
- 77
Slight Chance Rain Showers
- 55
- 79
Partly Sunny
- 56
- 83
Mostly Sunny
- 52
- 81
Partly Sunny
- 51
- 76
Partly Sunny
- 51
- 76
Partly Sunny
Today 20 Jul Foothills and Valleys of the North Cascades
Mostly sunny. Patchy fog in the morning. Highs in the 70s. Light wind.
Tonight 20 Jul Foothills and Valleys of the North Cascades
Partly cloudy. A slight chance of Showers in the evening. Lows in the lower to mid 50s. Light wind.
Lake Cavanaugh Temperature Statistics
July Temperature
Arlington Municipal Airport (13 miles)
Lowest 4 July, 2025
46 °FAverage July
65.2 °FHighest 16 July, 2025
91 °F
Climate (2020–Present)
Arlington Municipal Airport (13 miles)
Average Low 2020–2025
42.3 °FAverage 2020–2025
50.5 °FAverage High 2020–2025
59.7 °F