Lake City Weather Forecast

    • 46
    • 71

    Mostly Sunny

    • 49
    • 77

    Mostly Sunny

    • 52
    • 81

    Partly Sunny

    • 52
    • 80

    Mostly Sunny

    • 51
    • 81

    Mostly Sunny

    • 52
    • 81

    Mostly Sunny

Today 18 Sep Surprise Valley California

Partly cloudy in the morning then clearing. Highs 68 to 78. Northwest Winds 10 to 15 Mph.

Tonight 18 Sep Surprise Valley California

Clear. Lows 41 to 51. North Winds around 10 Mph in the evening becoming light.

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Lake City Temperature Statistics

September Temperature

Alturas (20.5 miles)

  • Lowest 14 September, 2026

    28.7 °F

  • Average September

    58.8 °F

  • Highest 10 September, 2026

    85.6 °F

Climate (2021–2026)

Alturas (20.5 miles)

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  • Average Low 2021–2026

    33.2 °F

  • Average 2021–2026

    49.1 °F

  • Average High 2021–2026

    64.7 °F
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