Kennewick Weather Forecast

    • 46
    • 73

    Mostly Sunny

    • 51
    • 81

    Sunny

    • 55
    • 86

    Chance Rain Showers

    • 47
    • 69

    Chance Rain Showers

    • 47
    • 71

    Mostly Sunny

    • 53
    • 80

    Mostly Sunny

    • 54
    • 84

    Mostly Sunny

Today 30 Apr Lower Columbia Basin of Washington

Sunny. Highs in the upper 60s to lower 70s. Southwest wind 5 to 10 Mph.

Tonight 30 Apr Lower Columbia Basin of Washington

Mostly clear. Lows in the lower to mid 40s. Southeast wind 5 to 10 Mph.

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Kennewick Temperature Statistics

April Temperature

Tri-Cities Airport (3.7 miles)

  • Lowest 13 April, 2025

    28.9 °F

  • Average April

    53.4 °F

  • Highest 25 April, 2025

    81.6 °F

Climate (2020–Present)

Tri-Cities Airport (3.7 miles)

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  • Average Low 2020–2025

    42.9 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    67.8 °F
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