Black Lake Weather Forecast

    • 52
    • 79

    Increasing Clouds

    • 53
    • 82

    Mostly Cloudy

    • 53
    • 83

    Partly Sunny

    • 53
    • 77

    Partly Sunny

    • 54
    • 78

    Partly Sunny

    • 55
    • 82

    Partly Sunny

Today 15 Aug Lowlands of Lewis and Southern Thurston Counties

Cloudy in the morning then becoming partly sunny. Areas of fog in the Morning, then patchy fog late in the morning. Highs in the mid 70s to lower 80s. Light wind.

Tonight 15 Aug Lowlands of Lewis and Southern Thurston Counties

Mostly cloudy. Patchy fog after midnight. Lows in the upper 40s to mid 50s. West wind to 10 Mph in the evening becoming light.

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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

    65.8 °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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