Capitol State Forest Weather Forecast

    • 49
    • 75

    Increasing Clouds

    • 47
    • 65

    Partly Sunny

    • 47
    • 67

    Partly Sunny

    • 48
    • 70

    Partly Sunny

    • 49
    • 68

    Partly Sunny

    • 47
    • 64

    Partly Sunny

Today 17 Sep Willapa and Black Hills

Sunny. Highs in the mid 70s to lower 80s. Light wind becoming north to 10 Mph in the afternoon.

Tonight 17 Sep Willapa and Black Hills

Mostly clear. Lows in the upper 40s to mid 50s. West wind to 10 Mph becoming southwest after midnight.

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Capitol State Forest Temperature Statistics

September Temperature

Olympia, Olympia Airport (12.4 miles)

  • Lowest 8 September, 2026

    44.7 °F

  • Average September

    59.8 °F

  • Highest 9 September, 2026

    82.7 °F

Climate (2021–2026)

Olympia, Olympia Airport (12.4 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    62.2 °F
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