Mount Heinen Weather Forecast

    • 65
    • 86

    Areas Smoke

    • 70
    • 93

    Areas Smoke

    • 72
    • 94

    Mostly Sunny

    • 70
    • 94

    Mostly Sunny

    • 68
    • 90

    Mostly Sunny

    • 67
    • 88

    Mostly Sunny

Today 5 Aug Boise Mountains

Sunny. Areas of smoke. Highs 79 to 94.

Tonight 5 Aug Boise Mountains

Mostly clear. Areas of smoke. Lows 47 to 62.

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Mount Heinen Temperature Statistics

August Temperature

Boise Air Terminal (19.3 miles)

  • Lowest 3 August, 2026

    55 °F

  • Average August

    76.7 °F

  • Highest 1 August, 2026

    101.6 °F

Climate (2021–2026)

Boise Air Terminal (19.3 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    66.2 °F
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