Billy Clapp Lake Weather Forecast

    • 46
    • 72

    Mostly Cloudy

    • 48
    • 77

    Rain Showers Likely

    • 43
    • 61

    Rain Showers Likely

    • 35
    • 60

    Chance Rain

    • 35
    • 59

    Partly Sunny

    • 40
    • 60

    Chance Rain

    • 35
    • 57

    Chance Rain

Today 25 Mar Upper Columbia Basin

Mostly sunny. Highs in the upper 60s to mid 70s. Southeast wind 5 to 10 Mph.

Tonight 25 Mar Upper Columbia Basin

Mostly cloudy. Lows in the mid to upper 40s. Northeast wind 5 to 10 Mph.

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  • Temperature Real-Time

Billy Clapp Lake Temperature Statistics

March Temperature

Ephrata, Ephrata Municipal Airport (16.8 miles)

  • Lowest 14 March, 2025

    21.8 °F

  • Average March

    44.3 °F

  • Highest 23 March, 2025

    62.1 °F

Climate (2020–Present)

Ephrata, Ephrata Municipal Airport (16.8 miles)

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    63.2 °F
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