Ashburn Weather Forecast

    • 61
    • 82

    Becoming Sunny

    • 63
    • 85

    Mostly Sunny

    • 62
    • 78

    Mostly Cloudy

    • 61
    • 75

    Mostly Cloudy

    • 62
    • 77

    Partly Sunny

    • 64
    • 80

    Mostly Cloudy

Today 18 Sep Anne Arundel

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

Tonight 18 Sep Anne Arundel

Clear. Lows in the lower 60s. Southwest Winds around 5 Mph.

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Ashburn Temperature Statistics

September Temperature

Baltimore, Baltimore-Washington International Airport (8.1 miles)

  • Lowest 8 September, 2025

    51.1 °F

  • Average September

    69 °F

  • Highest 5 September, 2025

    89.1 °F

Climate (2020–Present)

Baltimore, Baltimore-Washington International Airport (8.1 miles)

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  • Average Low 2020–2025

    49 °F

  • Average 2020–2025

    58.8 °F

  • Average High 2020–2025

    68.6 °F
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