Crater Lake Weather Forecast

    • 40
    • 52

    Mostly Cloudy

    • 42
    • 50

    Rain/Snow Likely

    • 36
    • 44

    Rain/Snow

    • 38
    • 42

    Chance Rain/Snow

    • 43
    • 50

    Chance Rain

    • 43
    • 53

    Chance Rain

Today 23 May Cascades of Whatcom and Skagit Counties

Mostly sunny. Freezing level near 10000 feet.

Tonight 23 May Cascades of Whatcom and Skagit Counties

Partly cloudy in the evening then becoming mostly cloudy. Freezing level near 10000 feet.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crater Lake Temperature Statistics

May Temperature

Arlington Municipal Airport (41 miles)

  • Lowest 18 May, 2026

    42.1 °F

  • Average May

    56.4 °F

  • Highest 12 May, 2026

    84 °F

Climate (2021–Present)

Arlington Municipal Airport (41 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.9 °F
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