Mount Heinen Weather Forecast

    • 43
    • 59

    Partly Sunny

    • 46
    • 65

    Mostly Sunny

    • 45
    • 66

    Rain Showers Likely

    • 39
    • 58

    Rain Showers

    • 34
    • 47

    Rain/Snow Likely

    • 34
    • 47

    Chance Snow Showers

Today 8 Apr Boise Mountains

Mostly sunny. Highs 53 to 67.

Tonight 8 Apr Boise Mountains

Decreasing Clouds. Lows 28 to 43.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Heinen Temperature Statistics

April Temperature

Boise Air Terminal (19.3 miles)

  • Lowest 3 April, 2026

    30.7 °F

  • Average April

    50.3 °F

  • Highest 6 April, 2026

    73.9 °F

Climate (2021–Present)

Boise Air Terminal (19.3 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    66.2 °F
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