Ione Weather Forecast

    • 43
    • 56

    Mostly Cloudy

    • 45
    • 67

    Rain Likely

    • 41
    • 60

    Rain

    • 37
    • 50

    Rain Likely

    • 39
    • 51

    Rain

    • 34
    • 48

    Chance Rain/Snow

Today 14 Dec Lower Columbia Basin of Oregon

Partly sunny. Highs in the mid 50s. Southwest wind 5 to 10 Mph.

Tonight 14 Dec Lower Columbia Basin of Oregon

Mostly cloudy. Lows in the lower 40s. South wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ione Temperature Statistics

December Temperature

Hermiston, Hermiston Municipal Airport (34.8 miles)

  • Lowest 1 December, 2025

    25 °F

  • Average December

    46.3 °F

  • Highest 10 December, 2025

    70 °F

Climate (2020–Present)

Hermiston, Hermiston Municipal Airport (34.8 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    67.7 °F
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