Clear Lake Weather Forecast
- 56
- 83
Sunny
- 51
- 73
Mostly Sunny
- 52
- 70
Partly Sunny
- 52
- 73
Partly Sunny
- 53
- 68
Mostly Cloudy
- 51
- 66
Chance Rain
Today 16 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties
Sunny. Areas of smoke in the morning. Areas of smoke late in the afternoon. Highs in the mid 70s to lower 80s. Light wind becoming southeast to 10 Mph in the afternoon.
Tonight 16 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties
Clear. Areas of smoke. Lows in the 50s. East wind 10 to 15 Mph becoming southeast after midnight. Gusts to 25 Mph.
Clear Lake Temperature Statistics
September Temperature
Burlington/Mount Vernon, Skagit Regional Airport (8.1 miles)
Lowest 1 September, 2025
51.8 °FAverage September
61.3 °FHighest 3 September, 2025
78.8 °F
Climate (2020–Present)
Burlington/Mount Vernon, Skagit Regional Airport (8.1 miles)
Average Low 2020–2025
43.7 °FAverage 2020–2025
51.3 °FAverage High 2020–2025
59.7 °F