Mount Heinen Weather Forecast

    • 55
    • 70

    Isolated Thunderstorms

    • 55
    • 74

    Sunny

    • 57
    • 77

    Sunny

    • 62
    • 82

    Sunny

    • 62
    • 85

    Sunny

    • 61
    • 83

    Mostly Sunny

    • 56
    • 77

    Slight Chance Rain Showers

Today 20 Jun Boise Mountains

Widespread rain Showers and scattered Thunderstorms. Chance of rain 80 percent. Much cooler with Highs 64 to 79.

Tonight 20 Jun Boise Mountains

Mostly cloudy this Evening, then clearing. Lows 39 to 54.

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  • Temperature Real-Time

Mount Heinen Temperature Statistics

June Temperature

Boise Air Terminal (19.3 miles)

  • Lowest 11 June, 2026

    44.7 °F
  • Average June

    68.2 °F
  • Highest 16 June, 2026

    95.6 °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

    66.3 °F
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