Black Lake Weather Forecast

    • 45
    • 68

    Increasing Clouds

    • 48
    • 62

    Rain

    • 44
    • 62

    Rain

    • 45
    • 64

    Mostly Cloudy

    • 45
    • 65

    Mostly Cloudy

    • 47
    • 65

    Chance Rain

Today 23 Sep Lowlands of Lewis and Southern Thurston Counties

Mostly cloudy until late afternoon then becoming mostly sunny. Highs in the mid to upper 60s. Light wind.

Tonight 23 Sep Lowlands of Lewis and Southern Thurston Counties

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 40s. Light wind.

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Black Lake Temperature Statistics

September Temperature

Olympia, Olympia Airport (3.7 miles)

  • Lowest 19 September, 2026

    41 °F

  • Average September

    59.3 °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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