Summit Lake Weather Forecast

    • 54
    • 82

    Increasing Clouds

    • 53
    • 77

    Partly Sunny

    • 53
    • 78

    Partly Sunny

    • 55
    • 84

    Partly Sunny

    • 55
    • 76

    Slight Chance Rain

    • 53
    • 70

    Slight Chance Rain

    • 53
    • 75

    Partly Sunny

Today 17 Aug Willapa and Black Hills

Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 70s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 17 Aug Willapa and Black Hills

Mostly clear in the evening then becoming mostly cloudy. Lows in the lower to mid 50s. West wind to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summit Lake Temperature Statistics

August Temperature

Olympia, Olympia Airport (10.6 miles)

  • Lowest 3 August, 2026

    44.7 °F

  • Average August

    65.9 °F

  • Highest 5 August, 2026

    90.6 °F

Climate (2021–2026)

Olympia, Olympia Airport (10.6 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.2 °F
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