Irrigon Weather Forecast

    • 49
    • 73

    Increasing Clouds

    • 51
    • 75

    Mostly Cloudy

    • 46
    • 75

    Mostly Cloudy

    • 35
    • 60

    Partly Sunny

    • 37
    • 58

    Partly Sunny

    • 42
    • 60

    Mostly Cloudy

Today 18 Mar Lower Columbia Basin of Oregon

Mostly sunny in the Morning, becoming mostly cloudy. Highs in the lower to mid 70s. Southwest wind 5 to 15 Mph.

Tonight 18 Mar Lower Columbia Basin of Oregon

Mostly cloudy. Lows around 50. Southwest wind 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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Irrigon Temperature Statistics

March Temperature

Hermiston, Hermiston Municipal Airport (11.8 miles)

  • Lowest 15 March, 2026

    26.1 °F

  • Average March

    48.1 °F

  • Highest 7 March, 2026

    70 °F

Climate (2021–Present)

Hermiston, Hermiston Municipal Airport (11.8 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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