Junction Lake Weather Forecast

    • 38
    • 55

    Chance Rain/Snow

    • 33
    • 55

    Partly Sunny

    • 32
    • 59

    Mostly Sunny

    • 37
    • 60

    Mostly Sunny

    • 45
    • 65

    Mostly Cloudy

    • 47
    • 67

    Chance Rain

    • 44
    • 67

    Partly Sunny

Today 14 Apr Upper Columbia Basin

Mostly cloudy with a 50 percent chance of rain. Highs in the 50s. Windy. Southwest wind 20 to 30 Mph with Gusts up to 40 Mph. Rainfall Amounts less than a tenth of an inch.

Tonight 14 Apr Upper Columbia Basin

Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s to lower 40s. Windy. Southwest wind 20 to 30 Mph with Gusts up to 40 Mph. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Junction Lake Temperature Statistics

April Temperature

Ephrata, Ephrata Municipal Airport (23 miles)

  • Lowest 3 April, 2026

    31.6 °F

  • Average April

    52.6 °F

  • Highest 6 April, 2026

    77.6 °F

Climate (2021–Present)

Ephrata, Ephrata Municipal Airport (23 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.9 °F
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