Round Lake Weather Forecast

    • 39
    • 49

    Chance Rain

    • 35
    • 47

    Rain/Snow

    • 26
    • 39

    Snow

    • 25
    • 35

    Mostly Sunny

    • 27
    • 39

    Partly Sunny

    • 25
    • 39

    Chance Snow

    • 24
    • 36

    Partly Sunny

Today 21 Oct Big Lost Highlands/Copper Basin

Partly cloudy. Lows 21 to 31. Highs 44 to 54.

Tonight 21 Oct Big Lost Highlands/Copper Basin

Partly cloudy. A slight chance of rain after midnight. Lows 34 to 44.

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Round Lake Temperature Statistics

October Temperature

Hailey, Friedman Memorial Airport (28 miles)

  • Lowest 14 October, 2026

    32 °F

  • Average October

    50 °F

  • Highest 4 October, 2026

    80.6 °F

Climate (2021–2026)

Hailey, Friedman Memorial Airport (28 miles)

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  • Average Low 2021–2026

    34.9 °F

  • Average 2021–2026

    43.4 °F

  • Average High 2021–2026

    56.8 °F
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