Johannesburg Mountain Weather Forecast

    • 41
    • 59

    Sunny

    • 37
    • 60

    Rain Showers

    • 30
    • 40

    Rain Showers Likely

    • 33
    • 47

    Mostly Sunny

    • 39
    • 58

    Partly Sunny

    • 40
    • 60

    Partly Sunny

    • 36
    • 58

    Partly Sunny

Today 1 May Cascades of Whatcom and Skagit Counties

Sunny. Freezing level near 11000 feet.

Tonight 1 May Cascades of Whatcom and Skagit Counties

Clear. Freezing level near 12000 feet.

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Johannesburg Mountain Temperature Statistics

May Temperature

Arlington Municipal Airport (52.8 miles)

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  • Average May

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Climate (2020–Present)

Arlington Municipal Airport (52.8 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    50.5 °F

  • Average High 2020–2025

    59.5 °F
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