Crater Lake Weather Forecast

    • 23
    • 36

    Partly Sunny

    • 26
    • 38

    Chance Snow

    • 26
    • 41

    Partly Sunny

    • 30
    • 45

    Mostly Cloudy

    • 31
    • 46

    Mostly Cloudy

    • 32
    • 47

    Slight Chance Rain/Snow

Today 26 Jan Lassen-Eastern Plumas-Eastern Sierra Counties

Mostly cloudy in the morning then becoming partly cloudy. Highs 46 to 51. Light Winds becoming southwest around 10 Mph in the afternoon.

Tonight 26 Jan Lassen-Eastern Plumas-Eastern Sierra Counties

Partly cloudy. Lows 19 to 29. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crater Lake Temperature Statistics

January Temperature

Alturas (64 miles)

  • Lowest 9 January, 2026

    4.6 °F

  • Average January

    36 °F

  • Highest 14 January, 2026

    60.7 °F

Climate (2021–Present)

Alturas (64 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    49.5 °F

  • Average High 2021–2026

    64.5 °F
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