Coupeville Weather Forecast

    • 52
    • 65

    Rain Likely

    • 47
    • 59

    Chance Rain

    • 47
    • 55

    Mostly Cloudy

    • 46
    • 55

    Mostly Cloudy

    • 45
    • 55

    Partly Sunny

    • 46
    • 56

    Mostly Cloudy

    • 45
    • 56

    Chance Rain

Today 16 Oct Island County

Partly sunny with a slight chance of rain. Highs in the lower to mid 50s.

Tonight 16 Oct Island County

Partly cloudy in the Evening, then cloudy with a chance of rain after midnight. Lows in the upper 40s to mid 50s. Light wind becoming south 10 to 15 Mph after midnight.

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  • Temperature Real-Time

Coupeville Temperature Statistics

October Temperature

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

  • Lowest 11 October, 2026

    37.9 °F

  • Average October

    52.4 °F

  • Highest 5 October, 2026

    64.9 °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

    55.9 °F
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