Hat Rock State Park Weather Forecast

    • 54
    • 88

    Smoke

    • 62
    • 94

    Smoke

    • 65
    • 98

    Hot

    • 64
    • 97

    Hot

    • 63
    • 95

    Sunny

    • 62
    • 90

    Mostly Sunny

    • 62
    • 90

    Mostly Sunny

Today 4 Aug Lower Columbia Basin of Oregon

Sunny. Areas of smoke. Highs in the mid to upper 80s. Northeast wind 5 to 10 Mph with Gusts to around 20 Mph.

Tonight 4 Aug Lower Columbia Basin of Oregon

Mostly clear. Areas of smoke. Lows in the lower to mid 50s. East wind 5 to 10 Mph.

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Hat Rock State Park Temperature Statistics

August Temperature

Hermiston, Hermiston Municipal Airport (7.5 miles)

  • Lowest 2 August, 2026

    55 °F

  • Average August

    72.1 °F

  • Highest 1 August, 2026

    87.1 °F

Climate (2021–2026)

Hermiston, Hermiston Municipal Airport (7.5 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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