Deception Island Weather Forecast

    • 43
    • 55

    Mostly Sunny

    • 45
    • 54

    Increasing Clouds

    • 49
    • 54

    Mostly Cloudy

    • 49
    • 57

    Mostly Cloudy

    • 49
    • 56

    Partly Sunny

    • 51
    • 59

    Slight Chance Rain

    • 48
    • 55

    Chance Rain

Today 11 Oct Island County

Mostly cloudy. Highs in the mid to upper 50s.

Tonight 11 Oct Island County

Clear. Lows in the lower to mid 40s. Northwest wind 10 to 15 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deception Island Temperature Statistics

October Temperature

Whidbey Island Naval Air Station - Ault Field (3.1 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 (3.1 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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