Big Signal Peak Weather Forecast

    • 63
    • 71

    Increasing Clouds

    • 57
    • 67

    Partly Sunny

    • 56
    • 65

    Sunny

    • 57
    • 68

    Sunny

    • 52
    • 63

    Mostly Sunny

    • 52
    • 59

    Mostly Sunny

Today 27 Aug Northeastern Interior Mendocino

Sunny. Highs 85 to 100.

Tonight 27 Aug Northeastern Interior Mendocino

Partly cloudy in the evening then becoming mostly cloudy. Lows 53 to 63.

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Big Signal Peak Temperature Statistics

August Temperature

Ukiah Municipal Airport (27.3 miles)

  • Lowest 22 August, 2026

    52.6 °F

  • Average August

    77.2 °F

  • Highest 8 August, 2026

    108.6 °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

    76.2 °F
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