Summit Lake Weather Forecast

    • 46
    • 68

    Sunny

    • 52
    • 79

    Sunny

    • 54
    • 84

    Mostly Sunny

    • 56
    • 84

    Partly Sunny

    • 54
    • 81

    Slight Chance Thunderstorms

    • 53
    • 79

    Partly Sunny

Today 20 Aug South Central Oregon Cascades

Sunny. Highs in the lower to mid 70s. North Winds around 5 Mph shifting to the west this afternoon.

Tonight 20 Aug South Central Oregon Cascades

Clear. Lows in the mid 40s to mid 50s. Northwest Winds 5 to 10 Mph shifting to the northeast after midnight.

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Summit Lake Temperature Statistics

August Temperature

Bend Airport AWOS (63.4 miles)

  • Lowest 8 August, 2025

    42.8 °F

  • Average August

    70.3 °F

  • Highest 11 August, 2025

    100.4 °F

Climate (2020–Present)

Bend Airport AWOS (63.4 miles)

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  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    64.4 °F
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