Mount Pleasant Weather Forecast

    • 52
    • 59

    Rain

    • 48
    • 63

    Decreasing Clouds

    • 47
    • 63

    Partly Sunny

    • 51
    • 68

    Partly Sunny

    • 52
    • 68

    Partly Sunny

    • 52
    • 69

    Partly Sunny

    • 53
    • 70

    Partly Sunny

Today 22 Sep Frederick

Mostly sunny. Highs in the lower 70s.

Tonight 22 Sep Frederick

Rain with patchy drizzle. Patchy fog. Lows in the lower 50s. Northeast Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

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Mount Pleasant Temperature Statistics

September Temperature

Frederick Municipal Airport (3.1 miles)

  • Lowest 15 September, 2026

    48.2 °F

  • Average September

    70.7 °F

  • Highest 1 September, 2026

    93.2 °F

Climate (2021–2026)

Frederick Municipal Airport (3.1 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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