McNary Weather Forecast

    • 45
    • 69

    Decreasing Clouds

    • 49
    • 74

    Mostly Cloudy

    • 51
    • 75

    Mostly Cloudy

    • 46
    • 75

    Mostly Cloudy

    • 35
    • 60

    Partly Sunny

    • 37
    • 59

    Partly Sunny

    • 42
    • 60

    Mostly Cloudy

Today 17 Mar Lower Columbia Basin of Oregon

Mostly cloudy. Highs in the upper 60s. Southwest wind 5 to 15 Mph.

Tonight 17 Mar Lower Columbia Basin of Oregon

Mostly cloudy. Lows in the mid 40s. Southwest wind 5 to 10 Mph.

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McNary Temperature Statistics

March Temperature

Hermiston, Hermiston Municipal Airport (6.2 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 (6.2 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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