Black Lake Weather Forecast

    • 56
    • 84

    Slight Chance Rain

    • 56
    • 74

    Slight Chance Rain

    • 54
    • 76

    Mostly Cloudy

    • 55
    • 82

    Mostly Sunny

    • 53
    • 81

    Partly Sunny

    • 51
    • 75

    Mostly Cloudy

Today 21 Aug Lowlands of Lewis and Southern Thurston Counties

Mostly cloudy. Highs in the lower to mid 80s. Light wind becoming north around 10 Mph in the afternoon.

Tonight 21 Aug Lowlands of Lewis and Southern Thurston Counties

Mostly cloudy. A chance of Showers after midnight. Lows in the mid to upper 50s. West wind 10 to 15 Mph.

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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

    66.3 °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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