Black Lake Weather Forecast

    • 54
    • 80

    Gradual Clearing

    • 56
    • 85

    Partly Sunny

    • 55
    • 83

    Chance Rain

    • 54
    • 70

    Slight Chance Thunderstorms

    • 53
    • 75

    Partly Sunny

    • 54
    • 81

    Partly Sunny

Today 19 Aug Lowlands of Lewis and Southern Thurston Counties

Cloudy in the morning then becoming mostly sunny. Highs in the upper 70s to mid 80s. Light wind.

Tonight 19 Aug Lowlands of Lewis and Southern Thurston Counties

Partly cloudy. Lows in the lower 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

    66 °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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