Crater Lake Weather Forecast

    • 29
    • 37

    Increasing Clouds

    • 36
    • 47

    Mostly Cloudy

    • 37
    • 53

    Mostly Cloudy

    • 40
    • 58

    Chance Rain

    • 37
    • 47

    Rain/Snow Likely

    • 31
    • 42

    Snow Likely

Today 17 Apr Cascades of Whatcom and Skagit Counties

Mostly sunny. Freezing level near 2500 feet increasing to 4500 feet in the afternoon.

Tonight 17 Apr Cascades of Whatcom and Skagit Counties

Mostly cloudy. Freezing level near 6000 feet.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crater Lake Temperature Statistics

April Temperature

Arlington Municipal Airport (41 miles)

  • Lowest 8 April, 2026

    30 °F

  • Average April

    48.6 °F

  • Highest 6 April, 2026

    69.1 °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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