McNary Weather Forecast

    • 42
    • 71

    Rain Showers

    • 43
    • 55

    Rain Showers Likely

    • 40
    • 62

    Chance Rain Showers

    • 39
    • 63

    Mostly Sunny

    • 41
    • 67

    Mostly Sunny

    • 46
    • 74

    Sunny

Today 4 May Lower Columbia Basin of Oregon

Cloudy with a 50 percent chance of rain Showers. Highs in the lower 60s to lower 70s. East wind 5 to 10 Mph with Gusts to around 20 Mph shifting to the west with Gusts to around 35 Mph in the afternoon. Rainfall Amounts less than a quarter of an inch.

Tonight 4 May Lower Columbia Basin of Oregon

Rain Showers likely in the Evening, then rain Showers overnight. Lows in the upper 30s to lower 40s. Windy. Southwest wind 20 to 30 Mph with Gusts to around 45 Mph. Chance of precipitation 90 percent. Rainfall Amounts between a quarter and a half of an inch possible.

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McNary Temperature Statistics

May Temperature

Hermiston, Hermiston Municipal Airport (6.2 miles)

  • Lowest 1 May, 2024

    37 °F

  • Average May

    51.1 °F

  • Highest 1 May, 2024

    64 °F

Climate (2019–Present)

Hermiston, Hermiston Municipal Airport (6.2 miles)

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  • Average Low 2019–2024

    42.9 °F

  • Average 2019–2024

    54.9 °F

  • Average High 2019–2024

    67 °F
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