Cottage Grove Weather Forecast

    • 46
    • 77

    Becoming Sunny

    • 49
    • 83

    Partly Sunny

    • 46
    • 76

    Partly Sunny

    • 49
    • 81

    Mostly Sunny

    • 50
    • 84

    Partly Sunny

    • 48
    • 80

    Partly Sunny

Today 8 May Lane County Lowlands

Partly sunny in the Morning, then clearing. Highs in the mid 70s. Winds light.

Tonight 8 May Lane County Lowlands

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 40s. Winds light in the Evening, becoming light and variable.

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Cottage Grove Temperature Statistics

May Temperature

Eugene, Mahlon Sweet Field (24.2 miles)

  • Lowest 3 May, 2026

    44.7 °F

  • Average May

    60.1 °F

  • Highest 3 May, 2026

    83.6 °F

Climate (2021–Present)

Eugene, Mahlon Sweet Field (24.2 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    66 °F
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