Black Lake Weather Forecast

    • 41
    • 68

    Becoming Sunny

    • 49
    • 68

    Rain Likely

    • 49
    • 63

    Rain Likely

    • 47
    • 66

    Mostly Cloudy

    • 47
    • 67

    Mostly Cloudy

    • 46
    • 66

    Partly Sunny

Today 27 Sep Lowlands of Lewis and Southern Thurston Counties

Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid to upper 60s. North wind to 10 Mph.

Tonight 27 Sep Lowlands of Lewis and Southern Thurston Counties

Mostly clear. Lows near 40. North wind to 10 Mph in the evening becoming light.

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Black Lake Temperature Statistics

September Temperature

Olympia, Olympia Airport (3.7 miles)

  • Lowest 16 September, 2026

    41.6 °F

  • Average September

    59 °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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