Hermiston Weather Forecast

    • 51
    • 82

    Mostly Sunny

    • 52
    • 84

    Smoke

    • 57
    • 91

    Sunny

    • 61
    • 95

    Sunny

    • 64
    • 99

    Hot

    • 64
    • 97

    Hot

    • 61
    • 93

    Sunny

Today 2 Aug Lower Columbia Basin of Oregon

Sunny. Highs around 80. West wind 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 2 Aug Lower Columbia Basin of Oregon

Mostly clear. Lows in the lower 50s. West wind 5 to 15 Mph. Gusts up to 30 Mph decreasing to 20 Mph overnight.

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Hermiston Temperature Statistics

August Temperature

Hermiston, Hermiston Municipal Airport (1.2 miles)

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  • Average August

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Climate (2021–2026)

Hermiston, Hermiston Municipal Airport (1.2 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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