Black Lake Weather Forecast

    • 47
    • 71

    Increasing Clouds

    • 47
    • 69

    Mostly Cloudy

    • 47
    • 64

    Rain

    • 44
    • 64

    Slight Chance Rain

    • 45
    • 64

    Mostly Cloudy

    • 46
    • 66

    Chance Rain

Today 22 Sep Lowlands of Lewis and Southern Thurston Counties

Mostly cloudy in the morning then becoming sunny. Highs near 70. Light wind becoming west to 10 Mph in the afternoon.

Tonight 22 Sep Lowlands of Lewis and Southern Thurston Counties

Partly cloudy. Lows in the 40s. West wind to 10 Mph becoming south after midnight.

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Black Lake Temperature Statistics

September Temperature

Olympia, Olympia Airport (3.7 miles)

  • Lowest 19 September, 2026

    41 °F

  • Average September

    59.5 °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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