Clear Lake Weather Forecast

    • 32
    • 51

    Partly Sunny

    • 27
    • 53

    Blizzard

    • 22
    • 34

    Snow Showers

    • 15
    • 36

    Snow Likely

    • 15
    • 31

    Chance Snow

    • 14
    • 31

    Chance Snow

    • 18
    • 35

    Slight Chance Snow

Today 20 Apr Big Lost Highlands/Copper Basin

Mostly sunny. Highs 60 to 70.

Tonight 20 Apr Big Lost Highlands/Copper Basin

Partly cloudy. Lows 33 to 43.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

April Temperature

Hailey, Friedman Memorial Airport (24.2 miles)

  • Lowest 17 April, 2026

    21.2 °F

  • Average April

    46.6 °F

  • Highest 6 April, 2026

    71.6 °F

Climate (2021–Present)

Hailey, Friedman Memorial Airport (24.2 miles)

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  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    43 °F

  • Average High 2021–2026

    56.6 °F
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