Jefferson Weather Forecast

    • 25
    • 35

    Mostly Sunny

    • 27
    • 46

    Increasing Clouds

    • 41
    • 50

    Rain

    • 26
    • 48

    Chance Rain

    • 34
    • 42

    Mostly Cloudy

    • 27
    • 47

    Partly Sunny

    • 29
    • 39

    Mostly Cloudy

Today 16 Dec Frederick

Sunny. Highs in the mid 30s. South Winds around 5 Mph.

Tonight 16 Dec Frederick

Mostly clear. Lows in the mid 20s. South Winds around 5 Mph.

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Jefferson Temperature Statistics

December Temperature

Frederick Municipal Airport (9.3 miles)

  • Lowest 9 December, 2025

    10.4 °F

  • Average December

    30.1 °F

  • Highest 7 December, 2025

    44.6 °F

Climate (2020–Present)

Frederick Municipal Airport (9.3 miles)

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  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    54.8 °F

  • Average High 2020–2025

    67.4 °F
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