Flumeville Weather Forecast

    • 53
    • 61

    Mostly Cloudy

    • 53
    • 60

    Mostly Cloudy

    • 54
    • 64

    Partly Sunny

    • 53
    • 63

    Partly Sunny

    • 55
    • 67

    Partly Sunny

    • 55
    • 68

    Partly Sunny

Today 19 Sep Coastal Mendocino

Mostly sunny. Patchy fog in the morning. Highs 66 to 81. Northwest wind up to 10 Mph.

Tonight 19 Sep Coastal Mendocino

Mostly cloudy. Patchy fog. Lows 46 to 56. Northwest wind around 10 Mph.

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Flumeville Temperature Statistics

September Temperature

Ukiah Municipal Airport (30.4 miles)

  • Lowest 6 September, 2026

    45.6 °F

  • Average September

    68.2 °F

  • Highest 10 September, 2026

    100.7 °F

Climate (2021–2026)

Ukiah Municipal Airport (30.4 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    60.9 °F

  • Average High 2021–2026

    76 °F
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