Mount Pleasant Weather Forecast

    • 62
    • 79

    Mostly Cloudy

    • 62
    • 81

    Partly Sunny

    • 61
    • 84

    Chance Rain Showers

    • 56
    • 69

    Rain Showers Likely

    • 53
    • 65

    Chance Rain Showers

    • 45
    • 66

    Mostly Sunny

Today 30 Sep Frederick

Patchy fog in the morning. Mostly sunny. Highs in the upper 70s. Southwest Winds around 5 Mph.

Tonight 30 Sep Frederick

Mostly cloudy. Lows in the lower 60s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Pleasant Temperature Statistics

September Temperature

Frederick Municipal Airport (3.1 miles)

  • Lowest 25 September, 2026

    43.9 °F

  • Average September

    67.7 °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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