Jefferson Weather Forecast

    • 30
    • 42

    Rain/Snow

    • 27
    • 45

    Rain/Snow Likely

    • 24
    • 48

    Slight Chance Snow Showers

    • 24
    • 52

    Mostly Sunny

    • 25
    • 51

    Partly Sunny

    • 26
    • 51

    Mostly Cloudy

Today 24 Oct South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes

Mostly cloudy. Slight chance of snow Showers in the Morning, then a chance of rain and snow Showers in the afternoon. Highs 34 to 44. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 30 percent.

Tonight 24 Oct South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes

Mostly cloudy. Chance of snow Showers in the Evening, then a slight chance of snow Showers after midnight. Lows 25 to 33. Southeast Winds 10 to 15 Mph in the Evening, becoming light. Chance of snow 40 percent.

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Jefferson Temperature Statistics

October Temperature

Copper Mountain - Red Cliff Pass (19.9 miles)

  • Lowest 15 October, 2026

    21.2 °F

  • Average October

    38.4 °F

  • Highest 3 October, 2026

    55.4 °F

Climate (2021–2026)

Copper Mountain - Red Cliff Pass (19.9 miles)

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  • Average Low 2021–2026

    29.4 °F

  • Average 2021–2026

    35.7 °F

  • Average High 2021–2026

    42 °F
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