Hat Rock State Park Weather Forecast

    • 58
    • 90

    Sunny

    • 59
    • 89

    Sunny

    • 58
    • 90

    Mostly Sunny

    • 63
    • 94

    Sunny

    • 53
    • 86

    Breezy

Today 28 Jul Lower Columbia Basin of Oregon

Sunny. Patchy smoke. Highs in the mid to upper 80s. Windy. West wind 15 to 25 Mph.

Tonight 28 Jul Lower Columbia Basin of Oregon

Clear. Patchy smoke in the evening. Lows in the mid to upper 50s. Windy. Southwest wind 15 to 25 Mph.

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Hat Rock State Park Temperature Statistics

July Temperature

Hermiston, Hermiston Municipal Airport (7.5 miles)

  • Lowest 5 July, 2026

    51.7 °F

  • Average July

    77.1 °F

  • Highest 15 July, 2026

    102.7 °F

Climate (2021–2026)

Hermiston, Hermiston Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    67.6 °F
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