Irrigon Weather Forecast

    • 35
    • 45

    Chance Rain

    • 37
    • 48

    Rain Likely

    • 37
    • 46

    Mostly Cloudy

    • 34
    • 48

    Mostly Cloudy

    • 36
    • 48

    Mostly Cloudy

    • 35
    • 52

    Mostly Cloudy

    • 34
    • 52

    Partly Sunny

Today 28 Jan Lower Columbia Basin of Oregon

Partly sunny. Highs in the mid to upper 40s. Southwest wind 5 to 10 Mph.

Tonight 28 Jan Lower Columbia Basin of Oregon

Cloudy with a 20 percent chance of rain. Lows in the mid 30s. South wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Irrigon Temperature Statistics

January Temperature

Hermiston, Hermiston Municipal Airport (11.8 miles)

  • Lowest 25 January, 2026

    14 °F

  • Average January

    35.9 °F

  • Highest 12 January, 2026

    57.7 °F

Climate (2021–Present)

Hermiston, Hermiston Municipal Airport (11.8 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    67.6 °F
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