Deception Island Weather Forecast

    • 52
    • 61

    Mostly Sunny

    • 51
    • 63

    Partly Sunny

    • 48
    • 56

    Slight Chance Rain

    • 48
    • 57

    Partly Sunny

    • 49
    • 59

    Partly Sunny

    • 52
    • 62

    Partly Sunny

Today 27 May Island County

Sunny. Highs in the upper 60s to mid 70s. Northwest wind to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 27 May Island County

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deception Island Temperature Statistics

May Temperature

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

  • Lowest 21 May, 2026

    43 °F

  • Average May

    53 °F

  • Highest 3 May, 2026

    66.9 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    56.1 °F
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