Mount Heinen Weather Forecast

    • 47
    • 69

    Partly Sunny

    • 49
    • 66

    Becoming Sunny

    • 50
    • 69

    Partly Sunny

    • 49
    • 65

    Partly Sunny

    • 51
    • 67

    Chance Rain Showers

    • 46
    • 63

    Rain Showers Likely

    • 40
    • 52

    Chance Rain Showers

Today 17 Oct Boise Mountains

Areas of fog in the morning. Partly cloudy with a slight chance of rain and snow Showers. Chance of precipitation 20 percent. Highs 45 to 59.

Tonight 17 Oct Boise Mountains

Partly cloudy. Lows 33 to 45.

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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

    62.5 °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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