Coupeville NOLF Weather Forecast

    • 51
    • 66

    Increasing Clouds

    • 51
    • 68

    Mostly Cloudy

    • 51
    • 69

    Partly Sunny

    • 53
    • 69

    Mostly Cloudy

    • 53
    • 65

    Partly Sunny

    • 54
    • 68

    Partly Sunny

    • 54
    • 68

    Chance Rain

Today 4 Sep Island County

Partly sunny. A chance of Showers in the morning. Highs in the 60s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 4 Sep Island County

Mostly cloudy. Lows in the lower to mid 50s. Northwest wind to 10 Mph in the evening becoming light.

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Coupeville NOLF Temperature Statistics

September Temperature

Whidbey Island Naval Air Station - Ault Field (11.8 miles)

  • Lowest 1 September, 2026

    51.1 °F

  • Average September

    60.2 °F

  • Highest 2 September, 2026

    68 °F

Climate (2021–2026)

Whidbey Island Naval Air Station - Ault Field (11.8 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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