Ione Weather Forecast

    • 56
    • 83

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

    • 59
    • 84

    Mostly Sunny

    • 59
    • 84

    Partly Sunny

    • 51
    • 77

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 57
    • 80

    Partly Sunny

Today 17 Sep Lower Columbia Basin of Oregon

Sunny. Highs in the lower to mid 80s. Southwest wind 5 to 10 Mph in the Morning, becoming light.

Tonight 17 Sep Lower Columbia Basin of Oregon

Mostly clear. Lows in the mid to upper 50s. Light Wind, becoming southwest 5 to 10 Mph overnight.

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Ione Temperature Statistics

September Temperature

Hermiston, Hermiston Municipal Airport (34.8 miles)

  • Lowest 15 September, 2025

    53.1 °F

  • Average September

    72.9 °F

  • Highest 2 September, 2025

    98.1 °F

Climate (2020–Present)

Hermiston, Hermiston Municipal Airport (34.8 miles)

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  • Average Low 2020–2025

    42.9 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    67.6 °F
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