Sulphide Lake Weather Forecast

    • 44
    • 54

    Mostly Cloudy

    • 43
    • 51

    Mostly Cloudy

    • 45
    • 51

    Chance Rain

    • 45
    • 48

    Rain Likely

    • 42
    • 46

    Rain Likely

    • 46
    • 51

    Partly Sunny

    • 50
    • 59

    Partly Sunny

Today 3 Aug Cascades of Whatcom and Skagit Counties

Mostly sunny. Freezing level near 12500 feet.

Tonight 3 Aug Cascades of Whatcom and Skagit Counties

Mostly cloudy. Freezing level near 12500 feet.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sulphide Lake Temperature Statistics

August Temperature

Bellingham, Bellingham International Airport (43.5 miles)

  • Lowest 1 August, 2025

    60.1 °F

  • Average August

    65 °F

  • Highest 1 August, 2025

    70 °F

Climate (2020–Present)

Bellingham, Bellingham International Airport (43.5 miles)

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  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    59 °F
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