Black Lake Weather Forecast

    • 49
    • 73

    Increasing Clouds

    • 50
    • 74

    Chance Rain

    • 52
    • 76

    Partly Sunny

    • 52
    • 73

    Slight Chance Rain

    • 52
    • 75

    Partly Sunny

    • 54
    • 79

    Partly Sunny

Today 4 Sep Lowlands of Lewis and Southern Thurston Counties

Partly sunny. A slight chance of Thunderstorms late in the afternoon. Highs near 70. Light wind.

Tonight 4 Sep Lowlands of Lewis and Southern Thurston Counties

Mostly cloudy. A slight chance of rain in the evening. Lows in the mid 40s to lower 50s. Light wind.

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Black Lake Temperature Statistics

September Temperature

Olympia, Olympia Airport (3.7 miles)

  • Lowest 1 September, 2026

    52 °F

  • Average September

    59.7 °F

  • Highest 1 September, 2026

    66 °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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