Mason Park Weather Forecast

    • 36
    • 40

    Rain/Snow

    • 35
    • 48

    Increasing Clouds

    • 39
    • 45

    Rain Likely

    • 42
    • 49

    Rain Likely

    • 40
    • 51

    Rain Likely

    • 36
    • 50

    Rain Likely

    • 38
    • 47

    Chance Rain

Today 5 Dec Upper Columbia Basin

Rain. Highs in the upper 30s to mid 40s. South wind 5 to 15 Mph with Gusts up to 20 Mph. Chance of precipitation near 100 percent. Rainfall Amounts less than a quarter of an inch.

Tonight 5 Dec Upper Columbia Basin

Mostly cloudy with a 20 percent chance of rain. Lows in the 30s. Windy. Southwest wind 15 to 25 Mph with Gusts up to 35 Mph.

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Mason Park Temperature Statistics

December Temperature

Omak Airport (42.3 miles)

  • Lowest 1 December, 2025

    28.9 °F

  • Average December

    32.1 °F

  • Highest 2 December, 2025

    37 °F

Climate (2020–Present)

Omak Airport (42.3 miles)

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  • Average Low 2020–2025

    40.8 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    62.8 °F
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