Idaho City Weather Forecast

    • 22
    • 57

    Mostly Sunny

    • 24
    • 55

    Partly Sunny

    • 31
    • 58

    Mostly Cloudy

    • 35
    • 64

    Slight Chance Rain Showers

    • 27
    • 59

    Areas Fog

    • 31
    • 62

    Mostly Cloudy

Today 29 Oct Boise Mountains

Partly sunny in the Morning, then clearing. Highs 45 to 58.

Tonight 29 Oct Boise Mountains

Mostly clear. Patchy fog in the evening. Areas of fog after midnight. Lows 18 to 33.

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Idaho City Temperature Statistics

October Temperature

Boise Air Terminal (26.7 miles)

  • Lowest 20 October, 2025

    37 °F

  • Average October

    53.8 °F

  • Highest 10 October, 2025

    84 °F

Climate (2020–Present)

Boise Air Terminal (26.7 miles)

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  • Average Low 2020–2025

    43.8 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    65.8 °F
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