Deadman Island Weather Forecast
- 52
- 67
Decreasing Clouds
- 51
- 66
Increasing Clouds
- 54
- 67
Mostly Cloudy
- 53
- 66
Mostly Cloudy
- 51
- 64
Mostly Cloudy
- 52
- 62
Mostly Cloudy
- 50
- 62
Slight Chance Rain
Today 19 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties
Partly sunny with a slight chance of rain. Highs in the lower to mid 60s.
Tonight 19 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties
Mostly clear. Patchy fog late in the evening. Areas of fog after midnight. Lows in the upper 40s to mid 50s. Light wind.
Deadman Island Temperature Statistics
September Temperature
Whidbey Island Naval Air Station - Ault Field (5.6 miles)
Lowest 16 September, 2026
46 °FAverage September
57.2 °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