Vashon Weather Forecast
- 54
- 64
Becoming Sunny
- 57
- 79
Sunny
- 54
- 71
Mostly Sunny
- 53
- 67
Partly Sunny
- 54
- 69
Partly Sunny
- 57
- 65
Chance Rain
- 55
- 65
Chance Rain
Today 15 Sep Lowlands of Pierce and Southern King Counties
Sunny. Highs in the 60s. North wind around 10 Mph.
Tonight 15 Sep Lowlands of Pierce and Southern King Counties
Mostly clear. Lows in the lower to mid 50s. North wind 10 to 15 Mph with Gusts to 25 Mph.
Vashon Temperature Statistics
September Temperature
Seattle, Seattle-Tacoma International Airport (6.8 miles)
Lowest 10 September, 2025
55.9 °FAverage September
64.8 °FHighest 3 September, 2025
82 °F
Climate (2020–Present)
Seattle, Seattle-Tacoma International Airport (6.8 miles)
Average Low 2020–2025
46.6 °FAverage 2020–2025
53.3 °FAverage High 2020–2025
61.1 °F