Mount Heinen Weather Forecast

    • 36
    • 55

    Rain/Snow

    • 34
    • 45

    Partly Sunny

    • 34
    • 45

    Mostly Sunny

    • 39
    • 50

    Mostly Cloudy

    • 37
    • 48

    Mostly Cloudy

    • 36
    • 47

    Chance Rain/Snow

    • 35
    • 46

    Partly Sunny

Today 26 Oct Boise Mountains

Partly cloudy with a 20 percent chance of snow Showers. Highs 43 to 57.

Tonight 26 Oct Boise Mountains

Mostly cloudy. A chance of rain and snow Showers, and isolated Thunderstorms this evening. Areas of fog. Chance of precipitation 30 percent. Lows 23 to 37.

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Mount Heinen Temperature Statistics

October Temperature

Boise Air Terminal (19.3 miles)

  • Lowest 24 October, 2026

    34 °F

  • Average October

    61.3 °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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