Mount Heinen Weather Forecast

    • 29
    • 38

    Sunny

    • 30
    • 37

    Mostly Sunny

    • 29
    • 36

    Mostly Sunny

    • 30
    • 41

    Partly Sunny

    • 27
    • 40

    Partly Sunny

    • 27
    • 37

    Partly Sunny

Today 17 Jan Boise Mountains

Areas of fog this morning. Sunny. Highs 34 to 43.

Tonight 17 Jan Boise Mountains

Clear. Areas of fog. Lows 16 to 27.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Heinen Temperature Statistics

January Temperature

Boise Air Terminal (19.3 miles)

  • Lowest 15 January, 2026

    25 °F

  • Average January

    36.7 °F

  • Highest 3 January, 2026

    57.9 °F

Climate (2021–Present)

Boise Air Terminal (19.3 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    66 °F
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