Black Lake Weather Forecast

    • 52
    • 68

    Chance Rain

    • 46
    • 61

    Rain

    • 45
    • 65

    Partly Sunny

    • 48
    • 69

    Partly Sunny

    • 47
    • 68

    Partly Sunny

    • 47
    • 68

    Partly Sunny

Today 28 Sep Lowlands of Lewis and Southern Thurston Counties

Mostly sunny. Highs in the mid 60s to lower 70s. Light wind.

Tonight 28 Sep Lowlands of Lewis and Southern Thurston Counties

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s to lower 50s. Light wind becoming south 10 to 15 Mph with Gusts to 25 Mph after midnight.

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Black Lake Temperature Statistics

September Temperature

Olympia, Olympia Airport (3.7 miles)

  • Lowest 26 September, 2026

    41 °F

  • Average September

    58.8 °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

    41.6 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    62.2 °F
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