Mount Heinen Weather Forecast

    • 62
    • 80

    Slight Chance Thunderstorms

    • 66
    • 85

    Mostly Sunny

    • 62
    • 83

    Sunny

    • 63
    • 81

    Sunny

    • 65
    • 86

    Sunny

    • 67
    • 86

    Mostly Sunny

Today 6 Jul Boise Mountains

Partly cloudy with a slight chance of Showers and Thunderstorms this Morning, then sunny this afternoon. Thunderstorms may produce gusty Winds this morning. Chance of rain 20 percent. Highs 75 to 89.

Tonight 6 Jul Boise Mountains

Mostly clear. Lows 44 to 59.

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Mount Heinen Temperature Statistics

July Temperature

Boise Air Terminal (19.3 miles)

  • Lowest 2 July, 2026

    52.6 °F

  • Average July

    72.1 °F

  • Highest 3 July, 2026

    90 °F

Climate (2021–2026)

Boise Air Terminal (19.3 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    66.2 °F
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