Boulder Weather Forecast

    • 38
    • 54

    Increasing Clouds

    • 39
    • 55

    Mostly Cloudy

    • 37
    • 50

    Mostly Cloudy

    • 41
    • 46

    Rain

    • 38
    • 46

    Rain Showers

    • 33
    • 45

    Rain/Snow Likely

Today 21 Dec South Central Utah

Partly cloudy. Highs around 60.

Tonight 21 Dec South Central Utah

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s.

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Boulder Temperature Statistics

December Temperature

Bryce Canyon Airport (42.3 miles)

  • Lowest 4 December, 2025

    7 °F

  • Average December

    30.5 °F

  • Highest 11 December, 2025

    60.1 °F

Climate (2020–Present)

Bryce Canyon Airport (42.3 miles)

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  • Average Low 2020–2025

    28.5 °F

  • Average 2020–2025

    44.3 °F

  • Average High 2020–2025

    58.3 °F
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