Big Lake Weather Forecast
- 57
- 77
Partly Sunny
- 57
- 79
Mostly Sunny
- 57
- 80
Mostly Sunny
- 55
- 79
Partly Sunny
- 54
- 73
Partly Sunny
- 53
- 73
Partly Sunny
- 54
- 74
Mostly Sunny
Today 21 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties
Sunny. A slight chance of Showers late in the afternoon. Highs in the upper 60s to mid 70s. Light wind becoming west to 10 Mph in the afternoon.
Tonight 21 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties
Partly cloudy. A slight chance of Showers in the evening. Lows in the 50s. West wind to 10 Mph becoming south after midnight.
Big Lake Temperature Statistics
July Temperature
Burlington/Mount Vernon, Skagit Regional Airport (9.3 miles)
Lowest 4 July, 2025
46.4 °FAverage July
63.3 °FHighest 16 July, 2025
87.8 °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
59.8 °F