Hartline Weather Forecast

    • 26
    • 33

    Snow

    • 19
    • 35

    Mostly Sunny

    • 19
    • 31

    Chance Snow

    • 13
    • 29

    Chance Snow

    • 9
    • 24

    Chance Snow

    • 7
    • 21

    Partly Sunny

Today 31 Jan Upper Columbia Basin

Rain, snow and freezing rain in the Morning, then a chance of rain or snow in the afternoon. Snow accumulation up to 2 Inches. Ice accumulation of up to one tenth of an inch. Highs in the lower 30s to lower 40s. South wind 5 to 15 Mph. Gusts up to 20 Mph increasing to 30 Mph in the afternoon. Chance of precipitation near 100 percent.

Tonight 31 Jan Upper Columbia Basin

Mostly cloudy. A chance of rain or snow in the evening. Lows in the mid 20s to lower 30s. Windy. Southwest wind 15 to 25 Mph with Gusts up to 40 Mph. Chance of precipitation 50 percent.

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Hartline Temperature Statistics

January Temperature

Ephrata, Ephrata Municipal Airport (32.3 miles)

  • Lowest 22 January, 2025

    12.8 °F

  • Average January

    31.1 °F

  • Highest 11 January, 2025

    47.6 °F

Climate (2020–Present)

Ephrata, Ephrata Municipal Airport (32.3 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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