Coupeville Weather Forecast

    • 40
    • 51

    Rain

    • 40
    • 46

    Rain

    • 41
    • 47

    Rain

    • 41
    • 47

    Rain

    • 40
    • 47

    Rain

    • 38
    • 47

    Chance Rain

Today 18 Dec Island County

Windy. Rain at Times in the late morning and early Afternoon, then mostly cloudy with a chance of rain late in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs near 50. South wind 20 to 35 Mph becoming southeast in the afternoon. Gusts to 45 Mph.

Tonight 18 Dec Island County

Windy. Mostly cloudy with rain likely in the Evening, then mostly cloudy with a chance of rain after midnight. Rainfall Amounts less than a tenth of an inch likely. Lows in the mid 30s to lower 40s. West wind 15 to 30 Mph. Gusts to 50 Mph decreasing to 35 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Coupeville Temperature Statistics

December Temperature

Whidbey Island Naval Air Station - Ault Field (8.7 miles)

  • Lowest 1 December, 2025

    34 °F

  • Average December

    47.8 °F

  • Highest 15 December, 2025

    61 °F

Climate (2020–Present)

Whidbey Island Naval Air Station - Ault Field (8.7 miles)

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

  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    50.1 °F

  • Average High 2020–2025

    56.1 °F
Get WillyWeather+ to remove ads