Athanasiou Valley Airport Weather Forecast

    • 19
    • 37

    Mostly Sunny

    • 8
    • 34

    Increasing Clouds

    • 3
    • 23

    Snow

    • 0
    • 9

    Snow Likely

    • 8
    • 16

    Partly Sunny

    • 17
    • 28

    Partly Sunny

    • 19
    • 32

    Partly Sunny

Today 21 Jan Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below

Mostly sunny. Highs 38 to 48. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph in the Morning, becoming light.

Tonight 21 Jan Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below

Mostly clear. Lows 17 to 23.

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Athanasiou Valley Airport Temperature Statistics

January Temperature

Boulder Municipal Airport (18 miles)

  • Lowest 10 January, 2026

    19.4 °F

  • Average January

    43.5 °F

  • Highest 4 January, 2026

    69.8 °F

Climate (2021–Present)

Boulder Municipal Airport (18 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    65.4 °F
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