Coupeville Weather Forecast

    • 56
    • 71

    Mostly Sunny

    • 54
    • 66

    Mostly Cloudy

    • 54
    • 65

    Partly Sunny

    • 54
    • 65

    Mostly Cloudy

    • 55
    • 66

    Partly Sunny

    • 55
    • 67

    Partly Sunny

Today 17 Jul Island County

Sunny. Highs in the 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 17 Jul Island County

Mostly clear. Lows in the mid 50s to lower 60s. West wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coupeville Temperature Statistics

July Temperature

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

  • Lowest 4 July, 2025

    48 °F

  • Average July

    56.7 °F

  • Highest 8 July, 2025

    66 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    56.2 °F
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