Silverthorne Weather Forecast

    • 35
    • 74

    Mostly Sunny

    • 32
    • 61

    Partly Sunny

    • 37
    • 61

    Mostly Cloudy

    • 37
    • 64

    Partly Sunny

    • 36
    • 67

    Mostly Sunny

    • 32
    • 65

    Partly Sunny

Today 21 Mar Grand and Summit Counties Below 9000 Feet

Mostly sunny. Highs 70 to 76. West Winds 20 to 25 Mph with Gusts up to 35 Mph in the afternoon.

Tonight 21 Mar Grand and Summit Counties Below 9000 Feet

Partly cloudy. Lows in the mid to upper 30s. West Winds 10 to 15 Mph with Gusts up to 30 Mph in the Evening, becoming light.

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Silverthorne Temperature Statistics

March Temperature

Copper Mountain - Red Cliff Pass (11.2 miles)

  • Lowest 15 March, 2026

    1.4 °F

  • Average March

    21.4 °F

  • Highest 18 March, 2026

    37.4 °F

Climate (2021–Present)

Copper Mountain - Red Cliff Pass (11.2 miles)

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  • Average Low 2021–2026

    29.9 °F

  • Average 2021–2026

    36.3 °F

  • Average High 2021–2026

    42.6 °F
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