Trafton Lake Weather Forecast
- 51
- 64
Mostly Cloudy
- 49
- 62
Mostly Cloudy
- 50
- 61
Rain Likely
- 49
- 61
Chance Rain
- 48
- 59
Mostly Cloudy
- 49
- 58
Mostly Cloudy
Today 22 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties
Mostly cloudy in the morning then becoming mostly sunny. Highs in the 60s. Light wind becoming southwest to 10 Mph in the afternoon.
Tonight 22 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties
Mostly cloudy. A slight chance of rain in the morning. Lows in the upper 40s to mid 50s. South wind to 10 Mph in the evening becoming light.
Trafton Lake Temperature Statistics
September Temperature
Whidbey Island Naval Air Station - Ault Field (5.6 miles)
Lowest 18 September, 2026
45 °FAverage September
57 °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