Kennewick Weather Forecast

    • 47
    • 69

    Slight Chance Thunderstorms

    • 49
    • 72

    Slight Chance Thunderstorms

    • 53
    • 76

    Partly Sunny

    • 53
    • 79

    Partly Sunny

    • 55
    • 78

    Partly Sunny

    • 57
    • 80

    Mostly Cloudy

Today 20 May Lower Columbia Basin of Washington

Sunny. Highs in the mid to upper 60s. Southwest wind 5 to 10 Mph. Gusts up to 20 Mph in the morning.

Tonight 20 May Lower Columbia Basin of Washington

Partly cloudy. A 20 percent chance of Showers and Thunderstorms in the evening. Lows in the lower to mid 40s. Northwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Kennewick Temperature Statistics

May Temperature

Tri-Cities Airport (3.7 miles)

  • Lowest 11 May, 2022

    41 °F
  • Average May

    58.7 °F
  • Highest 4 May, 2022

    79 °F

Climate (2010–Present)

Tri-Cities Airport (3.7 miles)

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  • Average Low 2010–Present

    42.7 °F
  • Average 2010–Present

    54.9 °F
  • Average High 2010–Present

    66.5 °F
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