Mount Heinen Weather Forecast

    • 60
    • 81

    Becoming Sunny

    • 57
    • 79

    Mostly Sunny

    • 55
    • 80

    Sunny

    • 55
    • 77

    Sunny

    • 55
    • 77

    Partly Sunny

    • 45
    • 65

    Partly Sunny

Today 5 Oct Boise Mountains

Mostly sunny. Highs 75 to 89.

Tonight 5 Oct Boise Mountains

Mostly clear. Lows 41 to 55.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Heinen Temperature Statistics

October Temperature

Boise Air Terminal (19.3 miles)

  • Lowest 1 October, 2026

    50.6 °F

  • Average October

    67.1 °F

  • Highest 3 October, 2026

    84.9 °F

Climate (2021–2026)

Boise Air Terminal (19.3 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    55 °F

  • Average High 2021–2026

    66.3 °F
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