Summit Lake Weather Forecast

    • 45
    • 75

    Increasing Clouds

    • 46
    • 72

    Mostly Cloudy

    • 51
    • 76

    Mostly Sunny

    • 50
    • 83

    Sunny

    • 50
    • 79

    Mostly Sunny

    • 47
    • 72

    Mostly Sunny

    • 46
    • 73

    Partly Sunny

Today 30 Apr Willapa and Black Hills

Partly sunny until late afternoon then becoming sunny. Highs in the 70s. Light wind becoming north to 10 Mph in the afternoon.

Tonight 30 Apr Willapa and Black Hills

Partly cloudy. Lows in the 40s. Northwest wind to 10 Mph in the evening becoming light.

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Summit Lake Temperature Statistics

April Temperature

Olympia, Olympia Airport (10.6 miles)

  • Lowest 16 April, 2026

    27.6 °F

  • Average April

    49.1 °F

  • Highest 19 April, 2026

    77 °F

Climate (2021–Present)

Olympia, Olympia Airport (10.6 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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