Lopez Island - McArdle Bay Weather Forecast

    • 52
    • 64

    Mostly Sunny

    • 53
    • 69

    Mostly Sunny

    • 54
    • 70

    Mostly Sunny

    • 54
    • 70

    Partly Sunny

    • 54
    • 68

    Slight Chance Rain

    • 55
    • 71

    Mostly Sunny

Today 12 Jul San Juan County

Sunny. Highs in the mid 60s to lower 70s. Light wind.

Tonight 12 Jul San Juan County

Mostly clear. Lows in the lower to mid 50s. Light wind.

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  • Temperature Real-Time

Lopez Island - McArdle Bay Temperature Statistics

July Temperature

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

  • Lowest 6 July, 2026

    48 °F

  • Average July

    56.1 °F

  • Highest 7 July, 2026

    64.9 °F

Climate (2021–2026)

Whidbey Island Naval Air Station - Ault Field (8.7 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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