Cape Horn Weather Forecast

    • 56
    • 79

    Mostly Cloudy

    • 51
    • 72

    Increasing Clouds

    • 52
    • 69

    Mostly Cloudy

    • 52
    • 69

    Rain Showers Likely

    • 51
    • 70

    Partly Sunny

    • 51
    • 72

    Partly Sunny

    • 52
    • 73

    Partly Sunny

Today 9 Sep Olympia and Southern Puget Sound

Mostly sunny. Patchy fog in the morning. Highs in the mid 70s to lower 80s. Light wind.

Tonight 9 Sep Olympia and Southern Puget Sound

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid to upper 50s. Light wind.

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Cape Horn Temperature Statistics

September Temperature

Shelton, Shelton Sanderson Field (8.7 miles)

  • Lowest 5 September, 2026

    46 °F

  • Average September

    58.9 °F

  • Highest 6 September, 2026

    75.9 °F

Climate (2021–2026)

Shelton, Shelton Sanderson Field (8.7 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    61.2 °F
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