Mount Heinen Weather Forecast

    • 62
    • 76

    Chance Thunderstorms

    • 60
    • 79

    Chance Thunderstorms

    • 65
    • 82

    Partly Sunny

    • 62
    • 82

    Slight Chance Thunderstorms

    • 61
    • 79

    Partly Sunny

    • 62
    • 79

    Partly Sunny

    • 64
    • 82

    Partly Sunny

Today 14 Aug Boise Mountains

Areas of fog this morning. Rain Showers likely with a chance of Thunderstorms. Thunderstorms may produce gusty Winds and heavy rainfall. Chance of rain 60 percent. Highs 69 to 84.

Tonight 14 Aug Boise Mountains

Partly cloudy. Lows 41 to 56.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Heinen Temperature Statistics

August Temperature

Boise Air Terminal (19.3 miles)

  • Lowest 3 August, 2026

    54.6 °F

  • Average August

    79.2 °F

  • Highest 1 August, 2026

    101.6 °F

Climate (2021–2026)

Boise Air Terminal (19.3 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    66.2 °F
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