Boardman Weather Forecast

    • 54
    • 74

    Rain Showers Likely

    • 54
    • 63

    Mostly Sunny

    • 52
    • 67

    Mostly Sunny

    • 53
    • 69

    Mostly Sunny

Today 12 Sep Lower Columbia Basin of Oregon

Mostly cloudy. Highs in the mid to upper 70s. Light Wind, becoming north 5 to 10 Mph in the afternoon.

Tonight 12 Sep Lower Columbia Basin of Oregon

A chance of rain Showers in the Evening, then rain Showers overnight. Lows in the upper 40s to lower 50s. Windy. West wind 15 to 25 Mph with Gusts to around 35 Mph. Chance of precipitation near 100 percent. Rainfall Amounts between a quarter and a half of an inch possible.

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Boardman Temperature Statistics

September Temperature

Hermiston, Hermiston Municipal Airport (21.1 miles)

  • Lowest 4 September, 2026

    42.7 °F

  • Average September

    64.7 °F

  • Highest 10 September, 2026

    90 °F

Climate (2021–2026)

Hermiston, Hermiston Municipal Airport (21.1 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    67.5 °F
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