Idaho City Weather Forecast

    • 24
    • 43

    Decreasing Clouds

    • 22
    • 49

    Mostly Cloudy

    • 23
    • 50

    Mostly Cloudy

    • 25
    • 47

    Mostly Cloudy

    • 22
    • 44

    Partly Sunny

    • 24
    • 46

    Mostly Sunny

    • 24
    • 49

    Mostly Sunny

Today 29 Jan Boise Mountains

Increasing Clouds. Areas of fog this morning. A 30 percent chance of snow. Highs 32 to 43.

Tonight 29 Jan Boise Mountains

Mostly cloudy. Areas of fog. Lows 19 to 32.

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  • Temperature Real-Time

Idaho City Temperature Statistics

January Temperature

Boise Air Terminal (26.7 miles)

  • Lowest 24 January, 2026

    15.7 °F

  • Average January

    33.7 °F

  • Highest 3 January, 2026

    59.6 °F

Climate (2021–Present)

Boise Air Terminal (26.7 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    66 °F
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