Mount Formidable Weather Forecast

    • 20
    • 27

    Snow

    • 23
    • 25

    Snow Likely

    • 20
    • 26

    Snow Likely

    • 21
    • 28

    Mostly Cloudy

    • 22
    • 29

    Partly Sunny

    • 26
    • 33

    Mostly Cloudy

Today 28 Oct Cascades of Whatcom and Skagit Counties

Rain and snow in the Morning, then rain and snow likely early in the afternoon. A chance of rain and snow late in the afternoon. Snow level near 3000 feet. Rainfall Amounts a tenth to a quarter of an inch possible. Snow accumulation up to 2 Inches. Total snow accumulation up to 6 Inches.

Tonight 28 Oct Cascades of Whatcom and Skagit Counties

Mostly cloudy. A chance of rain and snow. Snow level near 2500 feet.

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Mount Formidable Temperature Statistics

October Temperature

Arlington Municipal Airport (52.8 miles)

  • Lowest 12 October, 2026

    32 °F

  • Average October

    51.5 °F

  • Highest 16 October, 2026

    78.1 °F

Climate (2021–2026)

Arlington Municipal Airport (52.8 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    60 °F
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