Jasper State Park Weather Forecast

    • 44
    • 71

    Mostly Sunny

    • 48
    • 76

    Mostly Sunny

    • 52
    • 83

    Sunny

    • 49
    • 80

    Mostly Sunny

    • 45
    • 70

    Partly Sunny

    • 45
    • 68

    Partly Sunny

Today 7 Sep Lane County Lowlands

Patchy fog this morning. Sunny. Highs in the lower 70s. Winds light.

Tonight 7 Sep Lane County Lowlands

Clear. Lows in the upper 40s. Winds light.

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Jasper State Park Temperature Statistics

September Temperature

Eugene, Mahlon Sweet Field (18 miles)

  • Lowest 1 September, 2026

    53.7 °F

  • Average September

    59.8 °F

  • Highest 5 September, 2026

    71.1 °F

Climate (2021–2026)

Eugene, Mahlon Sweet Field (18 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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