Mount Heinen Weather Forecast

    • 37
    • 51

    Becoming Sunny

    • 41
    • 57

    Mostly Sunny

    • 40
    • 58

    Chance Rain Showers

    • 36
    • 50

    Chance Rain Showers

    • 37
    • 53

    Mostly Cloudy

    • 38
    • 54

    Mostly Cloudy

Today 24 Oct Boise Mountains

Areas of fog in the morning. Sunny. Highs 46 to 59.

Tonight 24 Oct Boise Mountains

Mostly clear. Patchy fog in the evening. Areas of fog after midnight. Lows 24 to 37.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Heinen Temperature Statistics

October Temperature

Boise Air Terminal (19.3 miles)

  • Lowest 13 October, 2026

    37.7 °F

  • Average October

    62.4 °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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