Coupeville Airpark Weather Forecast

    • 53
    • 67

    Decreasing Clouds

    • 54
    • 68

    Increasing Clouds

    • 55
    • 68

    Partly Sunny

    • 55
    • 69

    Partly Sunny

    • 56
    • 71

    Mostly Sunny

    • 56
    • 72

    Partly Sunny

    • 56
    • 71

    Mostly Cloudy

Today 9 Aug Island County

Mostly sunny. Highs in the mid 60s to lower 70s. West wind 10 to 15 Mph decreasing to 10 Mph or less in the afternoon.

Tonight 9 Aug Island County

Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower to mid 50s. West wind 10 to 15 Mph.

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Coupeville Airpark Temperature Statistics

August Temperature

Whidbey Island Naval Air Station - Ault Field (11.2 miles)

  • Lowest 3 August, 2026

    48 °F

  • Average August

    58.1 °F

  • Highest 5 August, 2026

    69.1 °F

Climate (2021–2026)

Whidbey Island Naval Air Station - Ault Field (11.2 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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