Whidbey Island - Greenbank Weather Forecast

    • 54
    • 65

    Rain Showers Likely

    • 51
    • 59

    Rain Showers

    • 51
    • 59

    Slight Chance Rain Showers

    • 53
    • 65

    Mostly Sunny

    • 50
    • 61

    Chance Rain Showers

    • 50
    • 59

    Chance Rain Showers

    • 51
    • 60

    Slight Chance Rain Showers

Today 13 Sep Island County

Mostly cloudy in the morning then becoming mostly sunny. Patchy fog in the Morning, then Areas of fog late in the morning. Highs in the upper 60s to mid 70s. Light wind.

Tonight 13 Sep Island County

Mostly cloudy. A slight chance of Showers after midnight. Lows in the 50s. Light wind becoming south to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Whidbey Island - Greenbank Temperature Statistics

September Temperature

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

  • Lowest 10 September, 2025

    50 °F

  • Average September

    56.5 °F

  • Highest 9 September, 2025

    64.9 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    50.1 °F

  • Average High 2020–2025

    56.1 °F
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