Mount Pleasant Weather Forecast

    • 64
    • 82

    Mostly Sunny

    • 62
    • 84

    Becoming Sunny

    • 66
    • 86

    Partly Sunny

    • 72
    • 89

    Mostly Sunny

    • 68
    • 90

    Chance Thunderstorms

    • 65
    • 81

    Partly Sunny

    • 67
    • 85

    Slight Chance Rain Showers

Today 6 Sep District of Columbia

Mostly sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.

Tonight 6 Sep District of Columbia

Partly cloudy in the Evening, then clearing. Lows in the mid 60s. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Mount Pleasant Temperature Statistics

September Temperature

Washington/Reagan National Airport, DC (5.6 miles)

  • Lowest 3 September, 2026

    71.7 °F

  • Average September

    82.9 °F

  • Highest 1 September, 2026

    98.7 °F

Climate (2021–2026)

Washington/Reagan National Airport, DC (5.6 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    69.3 °F
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