Grimes Lake Weather Forecast

    • 19
    • 32

    Sunny

    • 22
    • 32

    Increasing Clouds

    • 21
    • 32

    Mostly Cloudy

    • 25
    • 35

    Mostly Cloudy

    • 27
    • 38

    Mostly Cloudy

    • 29
    • 38

    Mostly Cloudy

    • 30
    • 41

    Slight Chance Rain/Snow

Today 24 Jan Waterville Plateau

Sunny. Highs in the upper 20s to mid 30s.

Tonight 24 Jan Waterville Plateau

Clear. Lows 18 to 21.

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  • Temperature Real-Time

Grimes Lake Temperature Statistics

January Temperature

Ephrata, Ephrata Municipal Airport (29.2 miles)

  • Lowest 8 January, 2026

    19.7 °F

  • Average January

    33.4 °F

  • Highest 13 January, 2026

    51.7 °F

Climate (2021–Present)

Ephrata, Ephrata Municipal Airport (29.2 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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