McNary Weather Forecast

    • 38
    • 47

    Decreasing Clouds

    • 35
    • 52

    Areas Fog

    • 36
    • 53

    Mostly Cloudy

    • 37
    • 54

    Mostly Cloudy

    • 35
    • 53

    Mostly Cloudy

    • 34
    • 51

    Partly Sunny

    • 34
    • 50

    Partly Sunny

Today 30 Jan Lower Columbia Basin of Oregon

Cloudy. Patchy fog. Highs in the upper 40s to lower 50s. Light wind.

Tonight 30 Jan Lower Columbia Basin of Oregon

Mostly cloudy. A 20 percent chance of rain in the evening. Patchy fog in the Evening, then Areas of fog overnight. Lows in the upper 30s to lower 40s. South wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McNary Temperature Statistics

January Temperature

Hermiston, Hermiston Municipal Airport (6.2 miles)

  • Lowest 25 January, 2026

    12.7 °F

  • Average January

    35.8 °F

  • Highest 12 January, 2026

    57.7 °F

Climate (2021–Present)

Hermiston, Hermiston Municipal Airport (6.2 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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