Hat Rock State Park Weather Forecast

    • 69
    • 99

    Areas Smoke

    • 71
    • 102

    Patchy Smoke

    • 67
    • 99

    Hot

    • 65
    • 98

    Hot

    • 61
    • 91

    Sunny

    • 62
    • 90

    Mostly Sunny

    • 62
    • 91

    Mostly Sunny

Today 21 Jul Lower Columbia Basin of Oregon

Sunny. Patchy smoke. Highs in the upper 90s. Light wind.

Tonight 21 Jul Lower Columbia Basin of Oregon

Mostly cloudy. Patchy smoke through the night. Lows in the upper 60s to lower 70s. Light Wind, becoming south 5 to 10 Mph overnight.

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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

    76.4 °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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