Lewiston Weather Forecast

    • 19
    • 41

    Mostly Sunny

    • 19
    • 41

    Mostly Sunny

    • 19
    • 40

    Mostly Sunny

    • 20
    • 41

    Mostly Sunny

    • 20
    • 43

    Mostly Sunny

    • 20
    • 42

    Mostly Sunny

Today 14 Jan Cache Valley/Utah Portion

Partly cloudy in the morning then clearing. Haze. Highs around 40.

Tonight 14 Jan Cache Valley/Utah Portion

Mostly clear. Haze. Lows near 20.

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Lewiston Temperature Statistics

January Temperature

Logan-Cache Airport (13 miles)

  • Lowest 9 January, 2026

    12.9 °F

  • Average January

    32.9 °F

  • Highest 3 January, 2026

    46 °F

Climate (2021–Present)

Logan-Cache Airport (13 miles)

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  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    61.7 °F
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