Sloan Lake Weather Forecast

    • 54
    • 84

    Slight Chance Thunderstorms

    • 52
    • 77

    Rain Showers Likely

    • 49
    • 69

    Rain Showers Likely

    • 48
    • 71

    Slight Chance Thunderstorms

    • 50
    • 77

    Mostly Sunny

    • 54
    • 82

    Mostly Sunny

Today 15 Sep North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Mostly sunny. Slight chance of Showers early in the afternoon. Slight chance of Thunderstorms late in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.

Tonight 15 Sep North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower to mid 50s.

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Sloan Lake Temperature Statistics

September Temperature

Broomfield / Jeffco (10.6 miles)

  • Lowest 6 September, 2025

    48.2 °F

  • Average September

    66.7 °F

  • Highest 10 September, 2025

    91.4 °F

Climate (2020–Present)

Broomfield / Jeffco (10.6 miles)

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  • Average Low 2020–2025

    41.3 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    64.9 °F
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