Frederick Weather Forecast

    • 60
    • 69

    Rain Showers Likely

    • 57
    • 80

    Partly Sunny

    • 52
    • 82

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

    • 52
    • 76

    Partly Sunny

    • 57
    • 79

    Partly Sunny

Today 17 Sep Western Montgomery

Cloudy with a chance of Thunderstorms. A chance of Showers this Morning, then Showers likely this afternoon. Highs in the upper 60s. Northeast Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 17 Sep Western Montgomery

Cloudy. A chance of Showers and Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows around 60. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Frederick Temperature Statistics

September Temperature

Pottstown, Pottstown Limerick Airport (4.3 miles)

  • Lowest 8 September, 2025

    46.9 °F

  • Average September

    67.9 °F

  • Highest 4 September, 2025

    84 °F

Climate (2020–Present)

Pottstown, Pottstown Limerick Airport (4.3 miles)

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  • Average Low 2020–2025

    44.8 °F

  • Average 2020–2025

    54.7 °F

  • Average High 2020–2025

    64.6 °F
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