Hidden Lake Weather Forecast

    • 51
    • 61

    Breezy

    • 50
    • 60

    Mostly Sunny

    • 50
    • 59

    Mostly Sunny

    • 48
    • 61

    Partly Sunny

    • 43
    • 52

    Mostly Cloudy

    • 43
    • 46

    Chance Rain

Today 16 Sep Cascades of Whatcom and Skagit Counties

Sunny. Freezing level near 15500 feet.

Tonight 16 Sep Cascades of Whatcom and Skagit Counties

Clear. Areas of smoke until early morning. Freezing level near 15500 feet.

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Hidden Lake Temperature Statistics

September Temperature

Arlington Municipal Airport (49.7 miles)

  • Lowest 9 September, 2025

    51.8 °F

  • Average September

    63.4 °F

  • Highest 3 September, 2025

    81 °F

Climate (2020–Present)

Arlington Municipal Airport (49.7 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    59.7 °F
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