Heinlen Lake Weather Forecast

    • 29
    • 33

    Mostly Cloudy

    • 32
    • 35

    Snow Likely

    • 34
    • 37

    Rain/Snow Likely

    • 33
    • 39

    Chance Rain

    • 34
    • 40

    Mostly Cloudy

    • 34
    • 42

    Mostly Cloudy

    • 34
    • 43

    Mostly Cloudy

Today 27 Jan Waterville Plateau

Partly sunny. Highs in the lower to mid 30s.

Tonight 27 Jan Waterville Plateau

Cloudy. A chance of snow overnight. Lows in the mid to upper 20s. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heinlen Lake Temperature Statistics

January Temperature

Ephrata, Ephrata Municipal Airport (29.8 miles)

  • Lowest 24 January, 2026

    16 °F

  • Average January

    32.9 °F

  • Highest 13 January, 2026

    51.7 °F

Climate (2021–Present)

Ephrata, Ephrata Municipal Airport (29.8 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    63.8 °F
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