Ruby Arm Weather Forecast

    • 55
    • 78

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

    • 55
    • 77

    Sunny

    • 59
    • 81

    Mostly Sunny

    • 59
    • 83

    Mostly Sunny

Today 18 Jun Cascades of Whatcom and Skagit Counties

Sunny. Freezing level near 12500 feet.

Tonight 18 Jun Cascades of Whatcom and Skagit Counties

Mostly clear. Freezing level near 13000 feet.

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Ruby Arm Temperature Statistics

June Temperature

Arlington Municipal Airport (64.6 miles)

  • Lowest 1 June, 2026

    39.9 °F

  • Average June

    59.5 °F

  • Highest 15 June, 2026

    86 °F

Climate (2021–2026)

Arlington Municipal Airport (64.6 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    60 °F
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