Lopez Island - McArdle Bay Weather Forecast

    • 57
    • 78

    Increasing Clouds

    • 53
    • 76

    Partly Sunny

    • 52
    • 65

    Rain

    • 50
    • 65

    Rain

    • 51
    • 63

    Mostly Cloudy

    • 51
    • 64

    Mostly Cloudy

    • 51
    • 64

    Mostly Cloudy

Today 23 Jun San Juan County

Mostly sunny. Highs in the upper 70s to mid 80s. North wind 10 to 20 Mph.

Tonight 23 Jun San Juan County

Mostly clear. Lows in the mid 50s to lower 60s. Northwest wind to 10 Mph becoming north after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lopez Island - McArdle Bay Temperature Statistics

June Temperature

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

  • Lowest 1 June, 2026

    42.1 °F

  • Average June

    56.4 °F

  • Highest 14 June, 2026

    73.9 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    56.1 °F
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