Crater Lake Weather Forecast

    • 27
    • 38

    Decreasing Clouds

    • 31
    • 42

    Chance Snow

    • 34
    • 45

    Chance Snow

    • 34
    • 49

    Mostly Sunny

    • 38
    • 55

    Partly Sunny

    • 41
    • 58

    Partly Sunny

Today 26 Apr Lower Hells Canyon/Salmon River Region

Partly cloudy. A 20 percent chance of rain and snow in the afternoon. Highs in the upper 40s to lower 60s. North Winds to 15 Mph in the afternoon.

Tonight 26 Apr Lower Hells Canyon/Salmon River Region

Mostly clear. Lows in the 30s. East Winds to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crater Lake Temperature Statistics

April Temperature

Grangeville - Idaho County Airport (37.3 miles)

  • Lowest 18 April, 2026

    26.6 °F

  • Average April

    45.7 °F

  • Highest 6 April, 2026

    69.8 °F

Climate (2021–Present)

Grangeville - Idaho County Airport (37.3 miles)

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  • Average Low 2021–2026

    37.1 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    58 °F
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