Capitol State Forest Weather Forecast

    • 47
    • 70

    Increasing Clouds

    • 49
    • 67

    Mostly Cloudy

    • 46
    • 64

    Mostly Cloudy

    • 45
    • 61

    Mostly Cloudy

    • 47
    • 60

    Chance Rain

    • 44
    • 57

    Chance Rain

Today 20 Sep Willapa and Black Hills

Partly sunny until late afternoon then becoming sunny. Patchy fog in the morning. Highs in the mid 60s to lower 70s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 20 Sep Willapa and Black Hills

Mostly clear. Patchy fog in the morning. Lows in the mid 40s to lower 50s. Northwest wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Capitol State Forest Temperature Statistics

September Temperature

Olympia, Olympia Airport (12.4 miles)

  • Lowest 16 September, 2026

    41.6 °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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