Black Lake Weather Forecast

    • 48
    • 68

    Becoming Sunny

    • 50
    • 77

    Sunny

    • 51
    • 80

    Mostly Sunny

    • 49
    • 75

    Partly Sunny

    • 50
    • 75

    Partly Sunny

    • 50
    • 76

    Partly Sunny

    • 51
    • 72

    Mostly Cloudy

Today 15 Sep Lowlands of Lewis and Southern Thurston Counties

Partly sunny. Areas of fog in the Morning, then patchy fog late in the morning. Highs in the mid to upper 60s. Light wind.

Tonight 15 Sep Lowlands of Lewis and Southern Thurston Counties

Mostly clear. Patchy fog after midnight. Lows in the mid to upper 40s. Light wind becoming north to 10 Mph with Gusts to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Black Lake Temperature Statistics

September Temperature

Olympia, Olympia Airport (3.7 miles)

  • Lowest 8 September, 2026

    44.7 °F

  • Average September

    59.9 °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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