Whidbey Island - Greenbank Weather Forecast

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    • 60

    Rain

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    • 58

    Chance Rain Showers

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    Mostly Cloudy

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    • 60

    Mostly Cloudy

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    Chance Rain

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    Chance Rain

Today 28 Aug Island County

Mostly cloudy. Highs in the 60s to lower 70s. Light wind becoming southwest to 10 Mph in the afternoon.

Tonight 28 Aug Island County

A chance of Showers in the Evening, then Showers and a slight chance of Thunderstorms after midnight. Rainfall Amounts a quarter to a half inch Possible, except higher Amounts possible in Thunderstorms. Lows in the lower to mid 50s. West wind 10 to 15 Mph with Gusts to 25 Mph.

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Whidbey Island - Greenbank Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    48 °F

  • Average August

    57.3 °F

  • Highest 5 August, 2026

    69.1 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    56 °F
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