Northwest Island Weather Forecast
- 49
- 57
Chance Rain
- 47
- 57
Chance Rain
- 45
- 58
Partly Sunny
- 46
- 61
Mostly Sunny
- 47
- 61
Mostly Sunny
- 47
- 62
Mostly Sunny
Today 21 Apr Lowlands of Western Skagit and Northwestern Snohomish Counties
Mostly cloudy. A slight chance of rain in the late morning and early afternoon. A chance of rain late in the afternoon. Highs in the upper 50s to mid 60s. South wind 10 to 15 Mph becoming southwest in the afternoon.
Tonight 21 Apr Lowlands of Western Skagit and Northwestern Snohomish Counties
Cloudy with a chance of rain. Lows near 50. Southwest wind 10 to 15 Mph becoming west after midnight.
Northwest Island Temperature Statistics
April Temperature
Whidbey Island Naval Air Station - Ault Field (4.3 miles)
Lowest 8 April, 2026
34 °FAverage April
47.5 °FHighest 19 April, 2026
59 °F
Climate (2021–Present)
Whidbey Island Naval Air Station - Ault Field (4.3 miles)
Average Low 2021–2026
44.5 °FAverage 2021–2026
50.1 °FAverage High 2021–2026
56.1 °F