Heinlen Lake Weather Forecast

    • 38
    • 55

    Rain Likely

    • 35
    • 50

    Rain

    • 33
    • 46

    Chance Rain

    • 34
    • 48

    Chance Rain/Snow

    • 37
    • 46

    Chance Rain/Snow

    • 37
    • 51

    Chance Rain

Today 24 Oct Waterville Plateau

Cloudy. A chance of rain. Highs in the lower to mid 50s. South wind 5 to 15 Mph with Gusts up to 40 Mph in the afternoon. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 24 Oct Waterville Plateau

Cloudy with rain likely in the Evening, then mostly clear overnight. Lows in the mid to upper 30s. Breezy. Southwest wind 10 to 20 Mph. Gusts up to 40 Mph decreasing to 25 Mph overnight. Chance of precipitation 70 percent. Rainfall Amounts around a tenth of an inch.

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Heinlen Lake Temperature Statistics

October Temperature

Ephrata, Ephrata Municipal Airport (29.8 miles)

  • Lowest 16 October, 2025

    32 °F

  • Average October

    52.8 °F

  • Highest 9 October, 2025

    75 °F

Climate (2020–Present)

Ephrata, Ephrata Municipal Airport (29.8 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    63.7 °F
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