Downtown (Frederick) Weather Forecast

    • 59
    • 85

    Decreasing Clouds

    • 61
    • 88

    Mostly Sunny

    • 61
    • 79

    Partly Sunny

    • 61
    • 78

    Mostly Cloudy

    • 61
    • 82

    Partly Sunny

    • 63
    • 84

    Partly Sunny

Today 18 Sep Frederick

Patchy fog in the morning. Mostly sunny. Highs in the lower 80s. Northwest Winds around 5 Mph.

Tonight 18 Sep Frederick

Mostly clear. Lows in the upper 50s. West Winds around 5 Mph.

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Downtown (Frederick) Temperature Statistics

September Temperature

Frederick Municipal Airport (1.9 miles)

  • Lowest 8 September, 2025

    44.6 °F

  • Average September

    62.7 °F

  • Highest 14 September, 2025

    89.6 °F

Climate (2020–Present)

Frederick Municipal Airport (1.9 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    54.9 °F

  • Average High 2020–2025

    67.6 °F
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