Whidbey Island - Greenbank Weather Forecast

    • 48
    • 55

    Gradual Clearing

    • 48
    • 56

    Mostly Sunny

    • 49
    • 59

    Mostly Sunny

    • 52
    • 63

    Mostly Sunny

    • 55
    • 68

    Partly Sunny

    • 53
    • 64

    Mostly Cloudy

Today 29 May Island County

Mostly cloudy. A slight chance of Showers in the Morning, then a chance of Showers in the late morning and early afternoon. Highs in the mid 50s to lower 60s. West wind 10 to 20 Mph with Gusts to 35 Mph.

Tonight 29 May Island County

Breezy. Partly cloudy. Lows in the mid to upper 40s. West wind 15 to 25 Mph with Gusts to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Whidbey Island - Greenbank Temperature Statistics

May Temperature

Whidbey Island Naval Air Station - Ault Field (17.4 miles)

  • Lowest 21 May, 2026

    43 °F

  • Average May

    53.1 °F

  • Highest 3 May, 2026

    66.9 °F

Climate (2021–Present)

Whidbey Island Naval Air Station - Ault Field (17.4 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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