Black Lake Weather Forecast

    • 53
    • 80

    Partly Sunny

    • 54
    • 72

    Mostly Cloudy

    • 51
    • 66

    Rain

    • 49
    • 66

    Rain Showers

    • 50
    • 70

    Chance Rain

    • 52
    • 74

    Slight Chance Rain

    • 53
    • 74

    Slight Chance Rain

Today 31 Aug Lowlands of Lewis and Southern Thurston Counties

Mostly sunny. Highs near 80. Light wind becoming north to 10 Mph in the afternoon.

Tonight 31 Aug Lowlands of Lewis and Southern Thurston Counties

Mostly cloudy in the evening then becoming partly cloudy. Patchy fog late in the night. Lows in the lower to mid 50s. Light wind.

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Black Lake Temperature Statistics

August Temperature

Olympia, Olympia Airport (3.7 miles)

  • Lowest 3 August, 2026

    44.7 °F

  • Average August

    66.3 °F

  • Highest 5 August, 2026

    90.6 °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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