Williams Lake Weather Forecast

    • 20
    • 33

    Increasing Clouds

    • 27
    • 35

    Snow/Sleet Likely

    • 27
    • 36

    Snow/Sleet

    • 21
    • 39

    Chance Snow

    • 19
    • 35

    Chance Snow

    • 15
    • 30

    Slight Chance Snow

Today 29 Jan Upper Columbia Basin

Sunny. Highs in the 30s. Light wind.

Tonight 29 Jan Upper Columbia Basin

Mostly clear. Lows 19 to 22. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williams Lake Temperature Statistics

January Temperature

Ephrata, Ephrata Municipal Airport (15.5 miles)

  • Lowest 22 January, 2025

    12.8 °F

  • Average January

    31.4 °F

  • Highest 11 January, 2025

    47.6 °F

Climate (2020–Present)

Ephrata, Ephrata Municipal Airport (15.5 miles)

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    63.4 °F
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