Hermiston Municipal Airport Weather Forecast

    • 58
    • 88

    Areas Smoke

    • 59
    • 90

    Mostly Sunny

    • 60
    • 92

    Mostly Sunny

    • 61
    • 92

    Partly Sunny

    • 59
    • 91

    Mostly Cloudy

    • 56
    • 88

    Mostly Cloudy

Today 13 Aug Lower Columbia Basin of Oregon

Sunny. Patchy smoke. Highs in the mid to upper 80s. Northwest wind 5 to 10 Mph.

Tonight 13 Aug Lower Columbia Basin of Oregon

Mostly clear. Patchy smoke. Lows in the upper 50s to lower 60s. Northeast wind 5 to 10 Mph in the Evening, becoming light.

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Hermiston Municipal Airport Temperature Statistics

August Temperature

Hermiston, Hermiston Municipal Airport (0 miles)

  • Lowest 4 August, 2026

    45.6 °F

  • Average August

    73 °F

  • Highest 7 August, 2026

    100.7 °F

Climate (2021–2026)

Hermiston, Hermiston Municipal Airport (0 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    67.5 °F
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