Crescent Harbor Weather Forecast

    • 42
    • 59

    Mostly Sunny

    • 43
    • 59

    Mostly Sunny

    • 47
    • 59

    Mostly Cloudy

    • 46
    • 61

    Mostly Cloudy

    • 45
    • 61

    Partly Sunny

    • 48
    • 65

    Slight Chance Rain

Today 11 Oct Island County

Sunny. Highs in the mid 50s to lower 60s. Northwest wind to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 11 Oct Island County

Mostly clear. Lows in the mid 30s to lower 40s. Northwest wind 10 to 15 Mph decreasing to 10 Mph or less after midnight.

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Crescent Harbor Temperature Statistics

October Temperature

Whidbey Island Naval Air Station - Ault Field (5 miles)

  • Lowest 4 October, 2026

    45 °F

  • Average October

    53.3 °F

  • Highest 5 October, 2026

    64.9 °F

Climate (2021–2026)

Whidbey Island Naval Air Station - Ault Field (5 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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