Mercer Ranch Airport Weather Forecast

    • 54
    • 81

    Sunny

    • 56
    • 86

    Sunny

    • 58
    • 85

    Mostly Sunny

    • 57
    • 85

    Partly Sunny

    • 59
    • 81

    Partly Sunny

    • 52
    • 77

    Mostly Sunny

Today 16 Sep Lower Columbia Basin of Washington

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

Tonight 16 Sep Lower Columbia Basin of Washington

Clear. Lows in the lower to mid 50s. Northeast wind 5 to 10 Mph in the Evening, becoming light.

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Mercer Ranch Airport Temperature Statistics

September Temperature

Sunnyside Municipal Airport (29.2 miles)

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Climate (2020–Present)

Sunnyside Municipal Airport (29.2 miles)

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  • Average Low 2020–2025

    38.7 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    63.3 °F
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