Whidbey Island - Greenbank Weather Forecast

    • 48
    • 55

    Mostly Cloudy

    • 47
    • 55

    Mostly Sunny

    • 47
    • 56

    Partly Sunny

    • 44
    • 54

    Slight Chance Rain Showers

    • 42
    • 52

    Mostly Cloudy

    • 44
    • 52

    Mostly Cloudy

Today 19 Oct Island County

Mostly cloudy until late afternoon then becoming mostly sunny. Highs in the mid 50s to lower 60s. Light wind.

Tonight 19 Oct Island County

Partly cloudy. Lows in the 40s. Northwest wind to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Whidbey Island - Greenbank Temperature Statistics

October Temperature

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

  • Lowest 11 October, 2026

    37.9 °F

  • Average October

    52 °F

  • Highest 5 October, 2026

    64.9 °F

Climate (2021–2026)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    44.3 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    55.9 °F
Get WillyWeather+ to remove ads