Lake Wallula Weather Forecast

    • 58
    • 85

    Gradual Clearing

    • 62
    • 93

    Partly Sunny

    • 64
    • 98

    Hot

    • 61
    • 97

    Chance Rain Showers

    • 59
    • 92

    Sunny

    • 61
    • 93

    Mostly Sunny

Today 12 Jul Lower Columbia Basin of Oregon

Mostly cloudy. Highs in the lower to mid 80s. West wind 5 to 15 Mph. Gusts up to 25 Mph in the morning.

Tonight 12 Jul Lower Columbia Basin of Oregon

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Wallula Temperature Statistics

July Temperature

Hermiston, Hermiston Municipal Airport (7.5 miles)

  • Lowest 5 July, 2026

    51.7 °F

  • Average July

    74.1 °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

    55.2 °F

  • Average High 2021–2026

    67.6 °F
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