Trafton Lake Weather Forecast
- 52
- 66
Mostly Cloudy
- 51
- 65
Mostly Cloudy
- 51
- 65
Mostly Sunny
- 52
- 65
Mostly Sunny
- 52
- 66
Mostly Sunny
- 52
- 67
Mostly Sunny
Today 13 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties
Cloudy with a chance of rain in the Morning, then mostly sunny with a slight chance of rain early in the afternoon. Mostly sunny late in the afternoon. Highs in the 60s to lower 70s. South wind to 10 Mph increasing to 10 to 15 Mph in the afternoon.
Tonight 13 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties
Mostly cloudy. A slight chance of rain until early morning. Lows in the lower to mid 50s. South wind 10 to 15 Mph with Gusts to 25 Mph.
Trafton Lake Temperature Statistics
September Temperature
Whidbey Island Naval Air Station - Ault Field (5.6 miles)
Lowest 6 September, 2026
46.9 °FAverage September
57.5 °FHighest 7 September, 2026
69.1 °F
Climate (2021–2026)
Whidbey Island Naval Air Station - Ault Field (5.6 miles)
Average Low 2021–2026
44.4 °FAverage 2021–2026
50 °FAverage High 2021–2026
55.9 °F