Ione Weather Forecast

    • 33
    • 54

    Decreasing Clouds

    • 38
    • 59

    Partly Sunny

    • 45
    • 68

    Mostly Cloudy

    • 48
    • 71

    Mostly Cloudy

    • 48
    • 70

    Chance Rain

    • 46
    • 65

    Chance Rain

Today 16 Apr Lower Columbia Basin of Oregon

Mostly cloudy in the morning then clearing. Highs in the mid to upper 50s. Windy. West wind 15 to 25 Mph.

Tonight 16 Apr Lower Columbia Basin of Oregon

Mostly clear. Lows in the lower to mid 30s. Windy. Southwest wind 15 to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ione Temperature Statistics

April Temperature

Hermiston, Hermiston Municipal Airport (34.8 miles)

  • Lowest 4 April, 2026

    31.6 °F

  • Average April

    53.2 °F

  • Highest 6 April, 2026

    78.7 °F

Climate (2021–Present)

Hermiston, Hermiston Municipal Airport (34.8 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    67.7 °F
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