Black Lake Weather Forecast

    • 48
    • 76

    Increasing Clouds

    • 48
    • 77

    Decreasing Clouds

    • 50
    • 75

    Mostly Cloudy

    • 47
    • 72

    Mostly Cloudy

    • 47
    • 69

    Mostly Cloudy

    • 47
    • 67

    Mostly Cloudy

    • 45
    • 66

    Partly Sunny

Today 19 Sep Lowlands of Lewis and Southern Thurston Counties

Partly sunny. Highs in the mid to upper 60s.

Tonight 19 Sep Lowlands of Lewis and Southern Thurston Counties

Mostly clear. Lows in the mid 40s to lower 50s. Light wind.

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  • Temperature Real-Time

Black Lake Temperature Statistics

September Temperature

Olympia, Olympia Airport (3.7 miles)

  • Lowest 16 September, 2026

    41.6 °F

  • Average September

    60 °F

  • Highest 9 September, 2026

    82.7 °F

Climate (2021–2026)

Olympia, Olympia Airport (3.7 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    62.2 °F
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