Harrisburg Weather Forecast

    • 43
    • 77

    Sunny

    • 43
    • 79

    Mostly Sunny

    • 43
    • 67

    Partly Sunny

    • 45
    • 69

    Chance Rain Showers

    • 46
    • 66

    Rain Showers Likely

    • 45
    • 62

    Rain Showers

Today 6 Oct Linn County Lowlands

Sunny. Highs in the upper 70s. North wind 5 to 10 Mph.

Tonight 6 Oct Linn County Lowlands

Clear. Lows in the mid 40s. Northeast wind 5 to 10 Mph.

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  • Temperature Real-Time

Harrisburg Temperature Statistics

October Temperature

Eugene, Mahlon Sweet Field (9.9 miles)

  • Lowest 3 October, 2025

    46 °F

  • Average October

    56.9 °F

  • Highest 3 October, 2025

    69.1 °F

Climate (2020–Present)

Eugene, Mahlon Sweet Field (9.9 miles)

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  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    54.4 °F

  • Average High 2020–2025

    65.9 °F
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