Cottage Grove Lake Weather Forecast

    • 50
    • 82

    Becoming Sunny

    • 52
    • 88

    Increasing Clouds

    • 49
    • 80

    Partly Sunny

    • 48
    • 79

    Mostly Sunny

    • 53
    • 86

    Sunny

    • 56
    • 93

    Mostly Sunny

    • 54
    • 90

    Mostly Sunny

Today 30 Jul Lane County Cascade Foothills

Mostly sunny. Highs around 80. Winds light.

Tonight 30 Jul Lane County Cascade Foothills

Clear. Lows in the lower 50s. Winds light.

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Cottage Grove Lake Temperature Statistics

July Temperature

Eugene, Mahlon Sweet Field (30.4 miles)

  • Lowest 2 July, 2026

    44.7 °F

  • Average July

    68.4 °F

  • Highest 21 July, 2026

    97.6 °F

Climate (2021–2026)

Eugene, Mahlon Sweet Field (30.4 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    66 °F
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