Mount Heinen Weather Forecast

    • 42
    • 61

    Mostly Sunny

    • 43
    • 63

    Sunny

    • 45
    • 69

    Mostly Sunny

    • 43
    • 68

    Mostly Sunny

    • 46
    • 66

    Mostly Sunny

    • 45
    • 63

    Partly Sunny

    • 42
    • 54

    Slight Chance Rain Showers

Today 14 Oct Boise Mountains

Partly cloudy. A chance of rain and snow Showers. Areas of fog through the day. Chance of precipitation 30 percent. Lows 27 to 41. Highs 48 to 62.

Tonight 14 Oct Boise Mountains

Mostly clear. Areas of frost after midnight. Lows 27 to 41.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Heinen Temperature Statistics

October Temperature

Boise Air Terminal (19.3 miles)

  • Lowest 12 October, 2026

    39 °F

  • Average October

    64.7 °F

  • Highest 4 October, 2026

    88.6 °F

Climate (2021–2026)

Boise Air Terminal (19.3 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    55 °F

  • Average High 2021–2026

    66.4 °F
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