Waterstone Weather Forecast

    • 43
    • 68

    Rain Showers Likely

    • 42
    • 65

    Chance Rain

    • 42
    • 71

    Mostly Sunny

    • 43
    • 77

    Mostly Sunny

    • 48
    • 80

    Mostly Sunny

    • 51
    • 84

    Partly Sunny

Today 18 May Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy. Chance of Thunderstorms in the afternoon. Highs 65 to 71. Northwest Winds 10 to 15 Mph with Gusts up to 20 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 18 May Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy with a chance of Showers and slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 40s. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Waterstone Temperature Statistics

May Temperature

Boulder Municipal Airport (1.2 miles)

  • Lowest 2 May, 2025

    37.4 °F

  • Average May

    57.4 °F

  • Highest 12 May, 2025

    86 °F

Climate (2020–Present)

Boulder Municipal Airport (1.2 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    65 °F
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