Menlo Baths Weather Forecast

    • 50
    • 80

    Partly Cloudy

    • 43
    • 74

    Mostly Sunny

    • 46
    • 78

    Mostly Sunny

    • 51
    • 85

    Sunny

    • 49
    • 86

    Mostly Sunny

    • 49
    • 81

    Mostly Sunny

Today 13 Sep Surprise Valley California

Sunny. Highs 74 to 84. Light Winds becoming south around 10 Mph in the afternoon.

Tonight 13 Sep Surprise Valley California

Clear in the evening then becoming partly cloudy. Lows 46 to 56. Southwest Winds 10 to 15 Mph.

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Menlo Baths Temperature Statistics

September Temperature

Alturas (28.6 miles)

  • Lowest 9 September, 2025

    44.1 °F
  • Average September

    69.3 °F
  • Highest 1 September, 2025

    91 °F

Climate (2020–Present)

Alturas (28.6 miles)

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  • Average Low 2020–2025

    32.9 °F
  • Average 2020–2025

    49.2 °F
  • Average High 2020–2025

    64.4 °F
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