Adco Weather Forecast

    • 52
    • 81

    Mostly Sunny

    • 57
    • 89

    Rain Showers Likely

    • 48
    • 77

    Partly Sunny

    • 53
    • 80

    Mostly Sunny

    • 60
    • 90

    Mostly Sunny

    • 55
    • 90

    Mostly Sunny

    • 57
    • 88

    Sunny

Today 24 May Upper Columbia Basin

Sunny. Highs in the mid 70s to lower 80s. Southeast wind 5 to 10 Mph.

Tonight 24 May Upper Columbia Basin

Mostly clear. Lows in the lower to mid 50s. East wind 5 to 10 Mph.

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Adco Temperature Statistics

May Temperature

Ephrata, Ephrata Municipal Airport (9.9 miles)

  • Lowest 19 May, 2025

    36.6 °F

  • Average May

    60 °F

  • Highest 2 May, 2025

    82.7 °F

Climate (2020–Present)

Ephrata, Ephrata Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    63.4 °F
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