Benton City Weather Forecast

    • 34
    • 43

    Chance Rain

    • 34
    • 49

    Partly Sunny

    • 35
    • 45

    Rain Likely

    • 32
    • 43

    Chance Rain

    • 32
    • 42

    Chance Rain

    • 30
    • 44

    Mostly Cloudy

Today 21 Dec Lower Columbia Basin of Washington

Cloudy with a 50 percent chance of rain. Highs in the lower 40s. Southeast wind 5 to 10 Mph in the Morning, becoming light. Rainfall Amounts less than a tenth of an inch.

Tonight 21 Dec Lower Columbia Basin of Washington

Mostly cloudy with a 50 percent chance of rain. Lows in the lower to mid 30s. South wind 5 to 10 Mph. Gusts up to 20 Mph overnight. Rainfall Amounts less than a tenth of an inch.

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Benton City Temperature Statistics

December Temperature

Tri-Cities Airport (17.4 miles)

  • Lowest 1 December, 2025

    24.1 °F

  • Average December

    47.7 °F

  • Highest 15 December, 2025

    68 °F

Climate (2020–Present)

Tri-Cities Airport (17.4 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    55.6 °F

  • Average High 2020–2025

    68 °F
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