Downtown (Frederick) Weather Forecast

    • 34
    • 43

    Increasing Clouds

    • 23
    • 45

    Mostly Sunny

    • 29
    • 39

    Chance Snow

    • 36
    • 47

    Mostly Cloudy

    • 36
    • 48

    Chance Snow

    • 48
    • 54

    Slight Chance Rain

Today 20 Dec Frederick

Mostly sunny. Highs in the lower 40s. Southwest Winds 5 to 10 Mph, becoming south with Gusts up to 20 Mph in the afternoon.

Tonight 20 Dec Frederick

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the mid 30s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Downtown (Frederick) Temperature Statistics

December Temperature

Frederick Municipal Airport (1.9 miles)

  • Lowest 16 December, 2025

    10.2 °F

  • Average December

    28.8 °F

  • Highest 17 December, 2025

    48.2 °F

Climate (2020–Present)

Frederick Municipal Airport (1.9 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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