Sinkyone Wilderness State Park Weather Forecast

    • 57
    • 80

    Mostly Cloudy

    • 56
    • 71

    Partly Sunny

    • 54
    • 71

    Mostly Sunny

    • 51
    • 61

    Mostly Sunny

    • 53
    • 63

    Mostly Sunny

    • 53
    • 63

    Mostly Sunny

    • 53
    • 60

    Partly Sunny

Today 9 Sep Coastal Mendocino

Mostly sunny. Highs 79 to 94. East wind around 5 Mph shifting to the west in the afternoon.

Tonight 9 Sep Coastal Mendocino

Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. Lows 51 to 61. North wind around 5 Mph.

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  • Temperature Real-Time

Sinkyone Wilderness State Park Temperature Statistics

September Temperature

Fortuna Rohnerville Airport (42.9 miles)

  • Lowest 4 September, 2026

    46.4 °F

  • Average September

    57.6 °F

  • Highest 1 September, 2026

    71.6 °F

Climate (2021–2026)

Fortuna Rohnerville Airport (42.9 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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