Coupeville Weather Forecast

    • 53
    • 64

    Mostly Cloudy

    • 55
    • 65

    Mostly Cloudy

    • 53
    • 64

    Rain Likely

    • 51
    • 65

    Chance Rain

    • 51
    • 65

    Slight Chance Rain

    • 52
    • 65

    Mostly Cloudy

Today 31 Aug Island County

Partly sunny. Highs in the mid 60s to lower 70s. Northwest wind to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 31 Aug Island County

Mostly cloudy. Lows in the lower to mid 50s. Northwest wind 10 to 15 Mph in the evening becoming light.

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  • Temperature Real-Time

Coupeville Temperature Statistics

August Temperature

Whidbey Island Naval Air Station - Ault Field (8.7 miles)

  • Lowest 3 August, 2026

    48 °F

  • Average August

    57.5 °F

  • Highest 27 August, 2026

    72 °F

Climate (2021–2026)

Whidbey Island Naval Air Station - Ault Field (8.7 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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