Whidbey Island - Greenbank Weather Forecast

    • 52
    • 56

    Rain

    • 48
    • 56

    Rain Showers

    • 49
    • 57

    Partly Sunny

    • 47
    • 58

    Partly Sunny

    • 51
    • 60

    Mostly Cloudy

    • 50
    • 60

    Chance Rain

    • 50
    • 60

    Chance Rain

Today 24 Sep Island County

Partly sunny. A chance of rain in the Morning, then a slight chance of rain in the afternoon. Highs in the lower to mid 60s.

Tonight 24 Sep Island County

Cloudy with a chance of rain in the Evening, then rain after midnight. Rainfall Amounts a quarter to a half inch possible. Lows in the upper 40s to mid 50s. Northwest wind to 10 Mph in the evening becoming light.

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Whidbey Island - Greenbank Temperature Statistics

September Temperature

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

  • Lowest 18 September, 2026

    45 °F

  • Average September

    56.8 °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

    55.9 °F
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