Big Signal Peak Weather Forecast

    • 56
    • 64

    Sunny

    • 57
    • 71

    Sunny

    • 57
    • 72

    Sunny

    • 49
    • 66

    Mostly Sunny

    • 42
    • 56

    Mostly Sunny

    • 42
    • 47

    Chance Rain

Today 14 Oct Northeastern Interior Mendocino

Sunny. Highs 73 to 88.

Tonight 14 Oct Northeastern Interior Mendocino

Clear. Lows 45 to 55.

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Big Signal Peak Temperature Statistics

October Temperature

Ukiah Municipal Airport (27.3 miles)

  • Lowest 12 October, 2026

    39.9 °F

  • Average October

    71.7 °F

  • Highest 5 October, 2026

    102.7 °F

Climate (2021–2026)

Ukiah Municipal Airport (27.3 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    76.1 °F
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