Lake Mendocino Weather Forecast

    • 55
    • 86

    Mostly Sunny

    • 57
    • 90

    Partly Sunny

    • 55
    • 89

    Partly Sunny

    • 55
    • 89

    Partly Sunny

    • 56
    • 89

    Partly Sunny

    • 55
    • 88

    Partly Sunny

Today 15 Aug Southeastern Interior Mendocino

Mostly sunny. Patchy valley fog in the morning. Highs 74 to 89.

Tonight 15 Aug Southeastern Interior Mendocino

Partly cloudy. Lows 52 to 62.

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Lake Mendocino Temperature Statistics

August Temperature

Ukiah Municipal Airport (6.2 miles)

  • Lowest 12 August, 2026

    55 °F

  • Average August

    78.9 °F

  • Highest 8 August, 2026

    108.6 °F

Climate (2021–2026)

Ukiah Municipal Airport (6.2 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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