Black Lake Weather Forecast

    • 47
    • 61

    Chance Rain

    • 47
    • 65

    Decreasing Clouds

    • 48
    • 68

    Mostly Cloudy

    • 48
    • 70

    Partly Sunny

    • 48
    • 72

    Mostly Sunny

    • 50
    • 74

    Partly Sunny

    • 50
    • 70

    Partly Sunny

Today 29 Sep Lowlands of Lewis and Southern Thurston Counties

Partly sunny. Highs in the upper 60s.

Tonight 29 Sep Lowlands of Lewis and Southern Thurston Counties

Mostly cloudy. A chance of rain in the evening. Areas of fog late in the evening. Patchy fog after Midnight, then Areas of fog late in the night. Lows in the mid to upper 40s. Light wind.

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Black Lake Temperature Statistics

September Temperature

Olympia, Olympia Airport (3.7 miles)

  • Lowest 27 September, 2026

    39 °F

  • Average September

    58.5 °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

    41.6 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    62.2 °F
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