Hat Rock State Park Weather Forecast

    • 57
    • 86

    Mostly Sunny

    • 60
    • 91

    Mostly Sunny

    • 64
    • 99

    Hot

    • 69
    • 103

    Hot

    • 63
    • 96

    Sunny

    • 60
    • 91

    Sunny

    • 65
    • 98

    Hot

Today 5 Jul Lower Columbia Basin of Oregon

Partly cloudy in the morning then clearing. Highs in the mid 80s. West wind 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 5 Jul Lower Columbia Basin of Oregon

Mostly clear. Lows in the upper 50s. Southwest wind 5 to 15 Mph.

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Hat Rock State Park Temperature Statistics

July Temperature

Hermiston, Hermiston Municipal Airport (7.5 miles)

  • Lowest 1 July, 2025

    60.1 °F

  • Average July

    80.5 °F

  • Highest 1 July, 2025

    102 °F

Climate (2020–Present)

Hermiston, Hermiston Municipal Airport (7.5 miles)

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  • Average Low 2020–2025

    42.8 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    67.5 °F
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