Hat Rock State Park Weather Forecast

    • 64
    • 96

    Increasing Clouds

    • 64
    • 99

    Chance Rain Showers

    • 60
    • 94

    Mostly Sunny

    • 61
    • 91

    Sunny

    • 62
    • 94

    Sunny

    • 64
    • 96

    Mostly Sunny

    • 66
    • 98

    Hot

Today 14 Jul Lower Columbia Basin of Oregon

Mostly cloudy. Highs in the mid 90s. Northwest wind 5 to 10 Mph.

Tonight 14 Jul Lower Columbia Basin of Oregon

Mostly clear in the Evening, becoming mostly cloudy. Lows in the lower to mid 60s. Northeast wind 5 to 10 Mph shifting to the southwest with Gusts to around 20 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

    74.9 °F

  • Highest 7 July, 2026

    100.7 °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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