Paterson Slough Weather Forecast

    • 61
    • 85

    Increasing Clouds

    • 59
    • 87

    Mostly Sunny

    • 59
    • 89

    Sunny

    • 56
    • 90

    Sunny

    • 57
    • 91

    Sunny

    • 59
    • 95

    Sunny

Today 17 Aug Lower Columbia Basin of Washington

Sunny. Highs in the lower to mid 80s. Southwest wind 5 to 10 Mph.

Tonight 17 Aug Lower Columbia Basin of Washington

Partly cloudy. Lows in the upper 50s to lower 60s. Southwest wind 5 to 10 Mph.

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Paterson Slough Temperature Statistics

August Temperature

Hermiston, Hermiston Municipal Airport (14.9 miles)

  • Lowest 8 August, 2025

    48.7 °F

  • Average August

    76.6 °F

  • Highest 11 August, 2025

    102.7 °F

Climate (2020–Present)

Hermiston, Hermiston Municipal Airport (14.9 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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