Lyons Weather Forecast

    • 39
    • 67

    Slight Chance Rain Showers

    • 37
    • 63

    Becoming Sunny

    • 40
    • 68

    Partly Sunny

    • 37
    • 67

    Chance Rain Showers

    • 34
    • 60

    Partly Sunny

    • 30
    • 56

    Partly Sunny

    • 33
    • 56

    Partly Sunny

Today 23 Oct Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy. Slight chance of rain Showers late in the afternoon. Highs in the upper 60s. Chance of rain 20 percent.

Tonight 23 Oct Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy with a 20 percent chance of Showers. Lows in the lower to mid 40s. Northwest Winds 10 to 15 Mph with Gusts up to 20 Mph in the Evening, becoming light.

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Lyons Temperature Statistics

October Temperature

Vance Brand Airport (6.8 miles)

  • Lowest 19 October, 2025

    29.3 °F

  • Average October

    57.2 °F

  • Highest 3 October, 2025

    88 °F

Climate (2020–Present)

Vance Brand Airport (6.8 miles)

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  • Average Low 2020–2025

    37.8 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    67.8 °F
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