Ritzville Weather Forecast

    • 59
    • 93

    Sunny

    • 61
    • 95

    Mostly Sunny

    • 57
    • 88

    Partly Sunny

    • 57
    • 85

    Mostly Cloudy

    • 57
    • 84

    Mostly Cloudy

    • 57
    • 85

    Partly Sunny

Today 17 Jul Upper Columbia Basin

Sunny. Highs in the lower to mid 90s. Northwest wind 5 to 15 Mph. Gusts up to 20 Mph in the morning.

Tonight 17 Jul Upper Columbia Basin

Clear. Lows in the upper 50s to mid 60s. Northwest wind 5 to 10 Mph.

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Ritzville Temperature Statistics

July Temperature

Grant County Airport (44.1 miles)

  • Lowest 7 July, 2025

    54.6 °F

  • Average July

    77.7 °F

  • Highest 13 July, 2025

    100.9 °F

Climate (2020–Present)

Grant County Airport (44.1 miles)

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  • Average Low 2020–2025

    40.9 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    64.3 °F
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