Thurmont Weather Forecast

    • 58
    • 78

    Mostly Sunny

    • 58
    • 78

    Partly Sunny

    • 62
    • 81

    Partly Sunny

    • 68
    • 85

    Partly Sunny

    • 62
    • 83

    Slight Chance Thunderstorms

    • 59
    • 76

    Mostly Sunny

    • 63
    • 80

    Mostly Sunny

Today 6 Sep Frederick

Mostly sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph.

Tonight 6 Sep Frederick

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

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Thurmont Temperature Statistics

September Temperature

Frederick Municipal Airport (14.3 miles)

  • Lowest 4 September, 2026

    69.6 °F

  • Average September

    76.2 °F

  • Highest 1 September, 2026

    93.2 °F

Climate (2021–2026)

Frederick Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    67.2 °F
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