Mount Pleasant Weather Forecast

    • 64
    • 68

    Rain Showers

    • 62
    • 82

    Decreasing Clouds

    • 63
    • 87

    Mostly Sunny

    • 63
    • 79

    Partly Sunny

    • 62
    • 78

    Mostly Cloudy

    • 62
    • 79

    Partly Sunny

    • 64
    • 82

    Partly Sunny

Today 17 Sep District of Columbia

Cloudy with a 50 percent chance of Showers. Patchy fog. Highs in the upper 60s. North Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 17 Sep District of Columbia

Mostly cloudy. Lows in the mid 60s. North Winds around 5 Mph.

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Mount Pleasant Temperature Statistics

September Temperature

Washington/Reagan National Airport, DC (5.6 miles)

  • Lowest 9 September, 2025

    55.9 °F

  • Average September

    71.2 °F

  • Highest 6 September, 2025

    91 °F

Climate (2020–Present)

Washington/Reagan National Airport, DC (5.6 miles)

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  • Average Low 2020–2025

    52.6 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    69.2 °F
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