Gualala Weather Forecast

    • 53
    • 61

    Mostly Sunny

    • 53
    • 61

    Mostly Sunny

    • 54
    • 58

    Partly Sunny

    • 54
    • 65

    Partly Sunny

    • 54
    • 67

    Partly Sunny

    • 54
    • 66

    Partly Sunny

Today 14 Sep Coastal Mendocino

Sunny. Highs 67 to 82. Northwest wind 5 to 15 Mph.

Tonight 14 Sep Coastal Mendocino

Partly cloudy. Patchy fog overnight. Lows 46 to 56. North wind 5 to 15 Mph.

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Gualala Temperature Statistics

September Temperature

Ukiah Municipal Airport (30.4 miles)

  • Lowest 6 September, 2026

    45.6 °F

  • Average September

    68.7 °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

    61 °F

  • Average High 2021–2026

    76.1 °F
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