Ritzville Weather Forecast

    • 49
    • 57

    Breezy

    • 43
    • 55

    Chance Rain

    • 39
    • 54

    Mostly Cloudy

    • 40
    • 52

    Mostly Cloudy

    • 41
    • 52

    Mostly Cloudy

    • 41
    • 53

    Rain Likely

Today 10 Dec Upper Columbia Basin

Mostly cloudy. A chance of rain in the morning. Highs in the mid to upper 50s. Windy. Southwest wind 20 to 30 Mph. Gusts up to 45 Mph increasing to 55 Mph in the afternoon. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 10 Dec Upper Columbia Basin

Mostly cloudy. Lows in the mid 40s to lower 50s. Windy. Southwest wind 20 to 30 Mph. Gusts up to 55 Mph decreasing to 45 Mph overnight.

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Ritzville Temperature Statistics

December Temperature

Grant County Airport (44.1 miles)

  • Lowest 1 December, 2025

    25 °F

  • Average December

    38.3 °F

  • Highest 8 December, 2025

    57.9 °F

Climate (2020–Present)

Grant County Airport (44.1 miles)

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  • Average Low 2020–2025

    41.1 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    64.2 °F
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