Devil's Thumb - Rolling Hill Weather Forecast

    • 65
    • 91

    Slight Chance Thunderstorms

    • 65
    • 88

    Thunderstorms Likely

    • 62
    • 85

    Thunderstorms Likely

    • 61
    • 83

    Thunderstorms Likely

    • 63
    • 88

    Chance Thunderstorms

    • 65
    • 91

    Partly Sunny

    • 67
    • 93

    Partly Sunny

Today 21 Jul Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy in the Morning, then becoming mostly cloudy. Highs in the lower to mid 90s.

Tonight 21 Jul Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy with a slight chance of Thunderstorms early in the Evening, then partly cloudy overnight. Lows in the lower to mid 60s. Chance of precipitation 20 percent.

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Devil's Thumb - Rolling Hill Temperature Statistics

July Temperature

Boulder Municipal Airport (4.3 miles)

  • Lowest 7 July, 2025

    55.4 °F

  • Average July

    75.2 °F

  • Highest 9 July, 2025

    100.4 °F

Climate (2020–Present)

Boulder Municipal Airport (4.3 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    64.8 °F
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