Mendocino Headlands State Park Weather Forecast

    • 56
    • 67

    Partly Sunny

    • 55
    • 69

    Partly Sunny

    • 56
    • 69

    Mostly Sunny

    • 55
    • 70

    Mostly Sunny

    • 54
    • 69

    Mostly Sunny

    • 54
    • 67

    Partly Sunny

    • 54
    • 66

    Partly Sunny

Today 13 Sep Mendocino Coast

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs 64 to 79. Northwest wind 5 to 15 Mph.

Tonight 13 Sep Mendocino Coast

Partly cloudy. Lows 48 to 58. Northwest wind 5 to 15 Mph.

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Mendocino Headlands State Park Temperature Statistics

September Temperature

Ukiah Municipal Airport (34.2 miles)

  • Lowest 7 September, 2025

    50 °F

  • Average September

    69.5 °F

  • Highest 2 September, 2025

    102.9 °F

Climate (2020–Present)

Ukiah Municipal Airport (34.2 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    60.7 °F

  • Average High 2020–2025

    76.3 °F
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