Mount Heinen Weather Forecast

    • 69
    • 89

    Patchy Smoke

    • 71
    • 89

    Patchy Smoke

    • 74
    • 92

    Partly Sunny

    • 73
    • 89

    Partly Sunny

    • 71
    • 88

    Partly Sunny

    • 71
    • 88

    Chance Rain Showers

Today 18 Jul Boise Mountains

Sunny. Patchy smoke. A slight chance of Showers and Thunderstorms this afternoon. Chance of rain 20 percent. Highs 84 to 98.

Tonight 18 Jul Boise Mountains

Mostly clear. Patchy smoke. Lows 49 to 64.

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  • Temperature Real-Time

Mount Heinen Temperature Statistics

July Temperature

Boise Air Terminal (19.3 miles)

  • Lowest 2 July, 2026

    52.6 °F

  • Average July

    79.8 °F

  • Highest 11 July, 2026

    104.6 °F

Climate (2021–2026)

Boise Air Terminal (19.3 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    66.2 °F
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