Black Lake Weather Forecast

    • 49
    • 78

    Partly Sunny

    • 45
    • 73

    Partly Sunny

    • 47
    • 72

    Mostly Cloudy

    • 43
    • 59

    Chance Rain

    • 45
    • 67

    Partly Sunny

Today 22 May Lowlands of Lewis and Southern Thurston Counties

Sunny. Patchy fog in the morning. Highs in the mid to upper 70s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 22 May Lowlands of Lewis and Southern Thurston Counties

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog in the morning. Lows in the mid to upper 40s. West wind to 10 Mph with Gusts to 20 Mph in the evening becoming light.

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Black Lake Temperature Statistics

May Temperature

Olympia, Olympia Airport (3.7 miles)

  • Lowest 17 May, 2026

    32.6 °F

  • Average May

    56.3 °F

  • Highest 3 May, 2026

    85.6 °F

Climate (2021–Present)

Olympia, Olympia Airport (3.7 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.2 °F
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