Black Lake Weather Forecast

    • 55
    • 81

    Increasing Clouds

    • 49
    • 72

    Mostly Cloudy

    • 50
    • 68

    Mostly Cloudy

    • 50
    • 69

    Chance Rain Showers

    • 50
    • 72

    Partly Sunny

    • 50
    • 74

    Mostly Sunny

Today 9 Sep Lowlands of Lewis and Southern Thurston Counties

Sunny. Patchy fog in the morning. Highs in the upper 70s to mid 80s. Light wind.

Tonight 9 Sep Lowlands of Lewis and Southern Thurston Counties

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog in the morning. Lows in the lower to mid 50s. Light wind.

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Black Lake Temperature Statistics

September Temperature

Olympia, Olympia Airport (3.7 miles)

  • Lowest 5 September, 2026

    46.7 °F

  • Average September

    59.8 °F

  • Highest 6 September, 2026

    75 °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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