Monroe Weather Forecast

    • 53
    • 82

    Partly Sunny

    • 51
    • 79

    Sunny

    • 50
    • 77

    Mostly Sunny

    • 51
    • 78

    Sunny

    • 51
    • 80

    Mostly Sunny

    • 45
    • 72

    Partly Sunny

Today 4 Oct Benton County Lowlands

Sunny. Highs in the lower 80s. Winds light.

Tonight 4 Oct Benton County Lowlands

Mostly clear. Areas of dense fog after midnight. Lows in the lower 50s. Winds light.

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Monroe Temperature Statistics

October Temperature

Corvallis, Corvallis Municipal Airport (12.4 miles)

  • Lowest 1 October, 2026

    46 °F

  • Average October

    62.8 °F

  • Highest 1 October, 2026

    80.1 °F

Climate (2021–2026)

Corvallis, Corvallis Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    43.4 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    63.9 °F
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