Idaho City Weather Forecast

    • 49
    • 91

    Isolated Thunderstorms

    • 49
    • 90

    Mostly Sunny

    • 50
    • 93

    Partly Sunny

    • 49
    • 94

    Partly Sunny

    • 49
    • 94

    Partly Sunny

    • 49
    • 91

    Partly Sunny

    • 48
    • 89

    Mostly Sunny

Today 26 Jul Boise Mountains

Partly cloudy. Scattered Showers and Thunderstorms this afternoon. Thunderstorms may produce gusty Winds this afternoon. Chance of rain 30 percent. Highs 78 to 92.

Tonight 26 Jul Boise Mountains

Partly cloudy with isolated rain Showers and Thunderstorms this Evening, then mostly clear after midnight. Thunderstorms may produce gusty Winds this evening. Chance of rain 20 percent. Lows 44 to 59.

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Idaho City Temperature Statistics

July Temperature

Boise Air Terminal (26.7 miles)

  • Lowest 5 July, 2025

    54.6 °F

  • Average July

    78.9 °F

  • Highest 8 July, 2025

    104.6 °F

Climate (2020–Present)

Boise Air Terminal (26.7 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    65.8 °F
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