Black Lake Weather Forecast

    • 53
    • 78

    Decreasing Clouds

    • 54
    • 83

    Partly Sunny

    • 53
    • 82

    Partly Sunny

    • 53
    • 82

    Partly Sunny

    • 54
    • 84

    Mostly Cloudy

    • 54
    • 82

    Mostly Cloudy

Today 12 Aug Lowlands of Lewis and Southern Thurston Counties

Mostly cloudy in the morning then becoming mostly sunny. Highs in the mid to upper 70s. Light wind.

Tonight 12 Aug Lowlands of Lewis and Southern Thurston Counties

Partly cloudy. Lows in the upper 40s to mid 50s. Light wind.

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Black Lake Temperature Statistics

August Temperature

Olympia, Olympia Airport (3.7 miles)

  • Lowest 3 August, 2026

    44.7 °F

  • Average August

    65.6 °F

  • Highest 5 August, 2026

    90.6 °F

Climate (2021–2026)

Olympia, Olympia Airport (3.7 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.2 °F
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