Coupeville NOLF Weather Forecast

    • 55
    • 76

    Mostly Cloudy

    • 55
    • 68

    Chance Rain

    • 53
    • 70

    Partly Sunny

    • 55
    • 72

    Partly Sunny

    • 54
    • 69

    Mostly Cloudy

    • 53
    • 65

    Slight Chance Rain

    • 52
    • 65

    Mostly Cloudy

Today 21 Aug Island County

Mostly sunny in the morning then becoming mostly cloudy. Highs in the 70s. Northwest wind 10 to 15 Mph.

Tonight 21 Aug Island County

Mostly cloudy. Lows in the mid 50s to lower 60s. West wind to 10 Mph.

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Coupeville NOLF Temperature Statistics

August Temperature

Whidbey Island Naval Air Station - Ault Field (11.8 miles)

  • Lowest 3 August, 2026

    48 °F

  • Average August

    56.6 °F

  • Highest 5 August, 2026

    69.1 °F

Climate (2021–2026)

Whidbey Island Naval Air Station - Ault Field (11.8 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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