Heart Lake Weather Forecast

    • 19
    • 24

    Becoming Sunny

    • 28
    • 33

    Mostly Sunny

    • 27
    • 40

    Partly Sunny

    • 28
    • 37

    Partly Sunny

    • 35
    • 40

    Chance Rain Showers

    • 36
    • 42

    Chance Rain Showers

    • 30
    • 38

    Partly Sunny

Today 27 Oct Boise Mountains

Partly cloudy. Isolated snow Showers this morning. Areas of fog this morning. Chance of snow 20 percent. Highs 31 to 45.

Tonight 27 Oct Boise Mountains

Mostly clear. Areas of fog. Lows 12 to 27.

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Heart Lake Temperature Statistics

October Temperature

Hailey, Friedman Memorial Airport (36.7 miles)

  • Lowest 18 October, 2025

    30.2 °F

  • Average October

    43.8 °F

  • Highest 9 October, 2025

    71.6 °F

Climate (2020–Present)

Hailey, Friedman Memorial Airport (36.7 miles)

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  • Average Low 2020–2025

    34 °F

  • Average 2020–2025

    42.2 °F

  • Average High 2020–2025

    55.8 °F
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