Beaver Lake Weather Forecast
- 49
- 69
Becoming Sunny
- 50
- 73
Mostly Sunny
- 53
- 71
Rain
- 49
- 67
Chance Rain
- 50
- 70
Partly Sunny
- 53
- 71
Chance Rain
Today 18 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties
Mostly cloudy in the morning then becoming mostly sunny. Highs in the mid 60s to lower 70s. Light wind becoming northwest 10 to 15 Mph in the afternoon.
Tonight 18 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties
Mostly clear. Lows near 50. Northwest wind to 10 Mph in the evening becoming light.
Beaver Lake Temperature Statistics
September Temperature
Burlington/Mount Vernon, Skagit Regional Airport (9.3 miles)
Lowest 1 September, 2025
51.8 °FAverage September
61 °FHighest 3 September, 2025
78.8 °F
Climate (2020–Present)
Burlington/Mount Vernon, Skagit Regional Airport (9.3 miles)
Average Low 2020–2025
43.7 °FAverage 2020–2025
51.3 °FAverage High 2020–2025
59.7 °F