Whidbey Island - Greenbank Weather Forecast

    • 55
    • 63

    Increasing Clouds

    • 53
    • 62

    Partly Sunny

    • 53
    • 61

    Chance Rain

    • 53
    • 62

    Slight Chance Rain

    • 52
    • 66

    Partly Sunny

    • 52
    • 64

    Partly Sunny

    • 53
    • 64

    Partly Sunny

Today 9 Sep Island County

Partly sunny. Highs in the upper 60s to mid 70s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 9 Sep Island County

Mostly cloudy. Lows in the 50s. Northwest wind to 10 Mph becoming west after midnight.

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Whidbey Island - Greenbank Temperature Statistics

September Temperature

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

  • Lowest 6 September, 2026

    46.9 °F

  • Average September

    58.1 °F

  • Highest 7 September, 2026

    69.1 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    56 °F
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