South Boulder Weather Forecast

    • 59
    • 90

    Areas Smoke

    • 59
    • 85

    Patchy Smoke

    • 58
    • 87

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 63
    • 91

    Mostly Sunny

    • 66
    • 95

    Partly Sunny

Today 28 Jun Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly sunny. Highs 88 to 96. South Winds 10 to 20 Mph with Gusts up to 30 Mph in the afternoon.

Tonight 28 Jun Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Patchy smoke in the evening. Mostly clear. Lows 53 to 61. West Winds 10 to 15 Mph with Gusts up to 35 Mph.

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South Boulder Temperature Statistics

June Temperature

Boulder Municipal Airport (4.3 miles)

  • Lowest 14 June, 2026

    48.2 °F

  • Average June

    70.4 °F

  • Highest 6 June, 2026

    95 °F

Climate (2021–2026)

Boulder Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    66.2 °F
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