Whidbey Island - Sunset Beach Weather Forecast
- 51
- 58
Partly Sunny
- 53
- 62
Increasing Clouds
- 52
- 61
Mostly Cloudy
- 51
- 60
Mostly Cloudy
- 50
- 59
Rain Likely
- 49
- 59
Slight Chance Rain
- 49
- 59
Mostly Cloudy
Today 20 Sep Island County
Partly sunny. Highs in the lower to mid 60s.
Tonight 20 Sep Island County
Partly cloudy. Lows near 50. West wind to 10 Mph.
Whidbey Island - Sunset Beach Temperature Statistics
September Temperature
Whidbey Island Naval Air Station - Ault Field (5.6 miles)
Lowest 18 September, 2026
45 °FAverage September
57.1 °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