Hat Rock State Park Weather Forecast

    • 51
    • 79

    Sunny

    • 53
    • 81

    Mostly Sunny

    • 45
    • 73

    Blowing Dust

    • 42
    • 63

    Partly Sunny

    • 39
    • 61

    Mostly Sunny

    • 40
    • 62

    Mostly Sunny

Today 7 Oct Lower Columbia Basin of Oregon

Sunny. Highs in the upper 70s. Northeast wind 5 to 10 Mph.

Tonight 7 Oct Lower Columbia Basin of Oregon

Clear. Lows in the upper 40s to lower 50s. Light wind.

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Hat Rock State Park Temperature Statistics

October Temperature

Hermiston, Hermiston Municipal Airport (7.5 miles)

  • Lowest 1 October, 2026

    42.7 °F

  • Average October

    61.1 °F

  • Highest 5 October, 2026

    82.9 °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

    67.6 °F
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