Superior Weather Forecast

    • 42
    • 66

    Chance Thunderstorms

    • 45
    • 63

    Slight Chance Thunderstorms

    • 47
    • 69

    Chance Thunderstorms

    • 52
    • 80

    Mostly Sunny

    • 54
    • 83

    Slight Chance Thunderstorms

    • 52
    • 78

    Chance Thunderstorms

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

Mostly cloudy. Slight chance of Showers late in the morning. Chance of Thunderstorms in the afternoon. Highs 61 to 69. Chance of rain 40 percent.

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

Mostly cloudy. Chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Lows 37 to 43. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Superior Temperature Statistics

May Temperature

Broomfield / Jeffco (5 miles)

  • Lowest 5 May, 2026

    32 °F

  • Average May

    55.1 °F

  • Highest 11 May, 2026

    87.8 °F

Climate (2021–Present)

Broomfield / Jeffco (5 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    65.9 °F
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