Merriam Lake Weather Forecast

    • 15
    • 24

    Mostly Sunny

    • 13
    • 25

    Mostly Sunny

    • 13
    • 25

    Mostly Sunny

    • 10
    • 24

    Partly Sunny

    • 8
    • 19

    Mostly Sunny

    • 12
    • 21

    Partly Sunny

    • 17
    • 24

    Partly Sunny

Today 19 Jan Lost River Range

Sunny. Highs 28 to 36.

Tonight 19 Jan Lost River Range

Mostly clear. Patchy freezing fog after midnight. Lows 13 to 21.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merriam Lake Temperature Statistics

January Temperature

Hailey, Friedman Memorial Airport (50.3 miles)

  • Lowest 9 January, 2026

    14 °F

  • Average January

    30.2 °F

  • Highest 13 January, 2026

    51.8 °F

Climate (2021–Present)

Hailey, Friedman Memorial Airport (50.3 miles)

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  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    42.6 °F

  • Average High 2021–2026

    56.2 °F
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