Cottage Grove Weather Forecast

    • 52
    • 86

    Mostly Cloudy

    • 51
    • 86

    Mostly Cloudy

    • 50
    • 87

    Mostly Sunny

    • 52
    • 85

    Partly Sunny

    • 51
    • 87

    Partly Sunny

    • 49
    • 82

    Partly Sunny

    • 50
    • 80

    Partly Sunny

Today 16 Aug Lane County Lowlands

Mostly sunny. Highs in the mid 80s. Winds light.

Tonight 16 Aug Lane County Lowlands

Mostly cloudy. Lows in the lower 50s. Winds light.

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Cottage Grove Temperature Statistics

August Temperature

Eugene, Mahlon Sweet Field (24.2 miles)

  • Lowest 3 August, 2026

    47.6 °F

  • Average August

    69.2 °F

  • Highest 6 August, 2026

    94.6 °F

Climate (2021–2026)

Eugene, Mahlon Sweet Field (24.2 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    65.9 °F
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