Sugar Loaf Weather Forecast

    • 23
    • 30

    Cloudy

    • 23
    • 32

    Cloudy

    • 22
    • 34

    Mostly Cloudy

    • 23
    • 39

    Partly Sunny

    • 21
    • 38

    Mostly Sunny

    • 24
    • 39

    Partly Sunny

    • 27
    • 44

    Partly Sunny

Today 19 Jan Western Magic Valley

Cloudy. Areas of dense fog this Morning, then patchy fog this afternoon. Highs 28 to 33. Light Winds.

Tonight 19 Jan Western Magic Valley

Cloudy with occasional Flurries. Patchy fog. Lows 21 to 26. Light Winds.

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Sugar Loaf Temperature Statistics

January Temperature

Jerome County Airport (5 miles)

  • Lowest 9 January, 2026

    19.9 °F

  • Average January

    33.8 °F

  • Highest 2 January, 2026

    51.1 °F

Climate (2021–Present)

Jerome County Airport (5 miles)

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  • Average Low 2021–2026

    40.2 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    62.2 °F
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