Jefferson Weather Forecast

    • -10
    • 8

    Snow Likely

    • -9
    • 12

    Chance Snow

    • -12
    • 6

    Chance Snow

    • 6
    • 27

    Mostly Sunny

    • 0
    • 24

    Partly Sunny

    • 4
    • 17

    Partly Sunny

Today 18 Jan South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes

Snow in the Morning, then snow likely in the afternoon. Snow accumulation of 1 to 2 Inches. Highs 2 below to 8 above zero. Northwest Winds 10 to 15 Mph in the afternoon. Wind chill Readings 15 below to 25 below zero.

Tonight 18 Jan South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes

Mostly cloudy with a chance of snow in the Evening, then partly cloudy with a slight chance of snow after midnight. Colder. Lows 8 below to 16 below zero. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of snow 40 percent. Wind chill Readings 25 below to 35 below zero.

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Jefferson Temperature Statistics

January Temperature

Copper Mountain - Red Cliff Pass (19.9 miles)

  • Lowest 9 January, 2025

    -0.4 °F

  • Average January

    14.3 °F

  • Highest 3 January, 2025

    33.8 °F

Climate (2020–Present)

Copper Mountain - Red Cliff Pass (19.9 miles)

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  • Average Low 2020–2025

    29.9 °F

  • Average 2020–2025

    36.5 °F

  • Average High 2020–2025

    42.9 °F
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