Brush Mountain Weather Forecast

    • 44
    • 64

    Becoming Sunny

    • 45
    • 65

    Mostly Sunny

    • 46
    • 62

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

    • 51
    • 76

    Partly Sunny

    • 53
    • 76

    Slight Chance Rain

    • 51
    • 75

    Chance Rain

Today 4 Sep Northwestern Interior Mendocino

Sunny. Patchy valley fog in the morning. Highs 64 to 79.

Tonight 4 Sep Northwestern Interior Mendocino

Mostly clear. Patchy valley fog overnight. Lows 39 to 49.

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Brush Mountain Temperature Statistics

September Temperature

Ukiah Municipal Airport (51 miles)

  • Lowest 2 September, 2026

    55.9 °F

  • Average September

    64.5 °F

  • Highest 2 September, 2026

    73.9 °F

Climate (2021–2026)

Ukiah Municipal Airport (51 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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