Silverthorne Weather Forecast

    • 27
    • 45

    Snow Showers

    • 32
    • 51

    Rain/Snow Likely

    • 28
    • 54

    Rain/Snow Likely

    • 30
    • 59

    Chance Thunderstorms

    • 32
    • 63

    Slight Chance Thunderstorms

    • 33
    • 68

    Partly Sunny

Today 18 May Grand and Summit Counties Below 9000 Feet

Rain and snow Showers. Slight chance of Thunderstorms late in the Morning, then a chance of Thunderstorms in the afternoon. Snow accumulation up to 1 inch. Highs 38 to 46. South Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming west with Gusts up to 20 Mph in the afternoon.

Tonight 18 May Grand and Summit Counties Below 9000 Feet

Slight chance of rain Showers in the evening. Mostly cloudy with a chance of snow Showers. Lows in the mid to upper 20s. Chance of precipitation 50 percent.

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  • Temperature Real-Time

Silverthorne Temperature Statistics

May Temperature

Copper Mountain - Red Cliff Pass (11.2 miles)

  • Lowest 6 May, 2026

    14 °F

  • Average May

    33.7 °F

  • Highest 12 May, 2026

    51.8 °F

Climate (2021–Present)

Copper Mountain - Red Cliff Pass (11.2 miles)

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  • Average Low 2021–2026

    30 °F

  • Average 2021–2026

    36.4 °F

  • Average High 2021–2026

    42.7 °F
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