Whidbey Island - Greenbank Weather Forecast

    • 49
    • 56

    Rain Likely

    • 48
    • 55

    Rain Likely

    • 46
    • 56

    Mostly Sunny

    • 46
    • 58

    Mostly Sunny

    • 47
    • 59

    Mostly Sunny

    • 48
    • 60

    Mostly Sunny

    • 48
    • 58

    Partly Sunny

Today 21 Apr Island County

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 mid 50s to lower 60s. South wind around 10 Mph becoming southwest in the afternoon.

Tonight 21 Apr Island County

Cloudy with a chance of rain until early Morning, then cloudy with rain likely late in the night. Rainfall Amounts a tenth to a quarter of an inch possible. Lows near 50. West wind 10 to 15 Mph.

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Whidbey Island - Greenbank Temperature Statistics

April Temperature

Whidbey Island Naval Air Station - Ault Field (17.4 miles)

  • Lowest 8 April, 2026

    34 °F

  • Average April

    47.5 °F

  • Highest 19 April, 2026

    59 °F

Climate (2021–Present)

Whidbey Island Naval Air Station - Ault Field (17.4 miles)

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    56.1 °F
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