Simtag Farms Airport Weather Forecast

    • 56
    • 85

    Increasing Clouds

    • 52
    • 76

    Decreasing Clouds

    • 52
    • 75

    Partly Sunny

    • 55
    • 76

    Slight Chance Rain Showers

    • 47
    • 69

    Partly Sunny

    • 46
    • 66

    Partly Sunny

    • 48
    • 67

    Partly Sunny

Today 21 Sep Lower Columbia Basin of Oregon

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

Tonight 21 Sep Lower Columbia Basin of Oregon

Mostly cloudy. Lows in the mid to upper 50s. Southwest wind 5 to 15 Mph with Gusts to around 30 Mph.

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Simtag Farms Airport Temperature Statistics

September Temperature

Hermiston, Hermiston Municipal Airport (32.9 miles)

  • Lowest 4 September, 2026

    42.7 °F

  • Average September

    63.3 °F

  • Highest 10 September, 2026

    90.6 °F

Climate (2021–2026)

Hermiston, Hermiston Municipal Airport (32.9 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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