Boulder Lakes Weather Forecast

    • 48
    • 64

    Mostly Sunny

    • 51
    • 68

    Mostly Sunny

    • 46
    • 68

    Mostly Sunny

    • 44
    • 66

    Mostly Sunny

    • 50
    • 68

    Mostly Sunny

    • 50
    • 69

    Partly Sunny

    • 47
    • 65

    Chance Rain Showers

Today 18 Aug Sun Valley Region

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs 78 to 87.

Tonight 18 Aug Sun Valley Region

Mostly clear. Lows 49 to 59.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boulder Lakes Temperature Statistics

August Temperature

Hailey, Friedman Memorial Airport (25.5 miles)

  • Lowest 8 August, 2025

    44.6 °F
  • Average August

    64.2 °F
  • Highest 12 August, 2025

    89.6 °F

Climate (2020–Present)

Hailey, Friedman Memorial Airport (25.5 miles)

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  • Average Low 2020–2025

    33.9 °F
  • Average 2020–2025

    42.2 °F
  • Average High 2020–2025

    55.9 °F
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