Flat Rock Creek Mouth Weather Forecast

    • 54
    • 58

    Decreasing Clouds

    • 54
    • 63

    Mostly Sunny

    • 55
    • 62

    Mostly Sunny

    • 56
    • 61

    Partly Sunny

    • 55
    • 59

    Partly Sunny

    • 55
    • 58

    Partly Sunny

Today 13 Sep Coastal Mendocino

Sunny. Patchy fog in the morning. Highs 64 to 74. Northwest wind 5 to 15 Mph.

Tonight 13 Sep Coastal Mendocino

Partly cloudy. Patchy fog overnight. Lows 44 to 54. North wind 5 to 15 Mph.

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Flat Rock Creek Mouth Temperature Statistics

September Temperature

Fortuna Rohnerville Airport (44.1 miles)

  • Lowest 4 September, 2026

    46.4 °F

  • Average September

    58.9 °F

  • Highest 9 September, 2026

    82.4 °F

Climate (2021–2026)

Fortuna Rohnerville Airport (44.1 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.8 °F
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