J-Z Airport Weather Forecast

    • 37
    • 49

    Mostly Cloudy

    • 34
    • 49

    Mostly Cloudy

    • 39
    • 48

    Mostly Cloudy

    • 38
    • 53

    Rain

    • 34
    • 49

    Rain Likely

    • 32
    • 45

    Chance Rain/Snow

Today 12 Dec Upper Columbia Basin

Mostly cloudy. Highs in the upper 40s to mid 50s. South wind 5 to 15 Mph.

Tonight 12 Dec Upper Columbia Basin

Mostly cloudy. Lows in the upper 30s to lower 40s. Southwest wind 5 to 10 Mph.

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J-Z Airport Temperature Statistics

December Temperature

Ephrata, Ephrata Municipal Airport (39.1 miles)

  • Lowest 2 December, 2025

    26.1 °F

  • Average December

    38 °F

  • Highest 8 December, 2025

    57 °F

Climate (2020–Present)

Ephrata, Ephrata Municipal Airport (39.1 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    63.7 °F
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