Heinlen Lake Weather Forecast

    • 66
    • 91

    Mostly Sunny

    • 66
    • 95

    Mostly Sunny

    • 60
    • 90

    Mostly Sunny

    • 59
    • 84

    Mostly Sunny

    • 60
    • 86

    Mostly Sunny

    • 62
    • 87

    Mostly Sunny

Today 30 Jun Waterville Plateau

Sunny. Highs in the upper 80s to mid 90s.

Tonight 30 Jun Waterville Plateau

Mostly clear. Lows in the 60s. Gusts up to 20 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heinlen Lake Temperature Statistics

June Temperature

Ephrata, Ephrata Municipal Airport (29.8 miles)

  • Lowest 21 June, 2025

    47.6 °F

  • Average June

    72.7 °F

  • Highest 9 June, 2025

    101.6 °F

Climate (2020–Present)

Ephrata, Ephrata Municipal Airport (29.8 miles)

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    63.5 °F
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