Mill Creek Park Weather Forecast

    • 67
    • 81

    Chance Rain Showers

    • 68
    • 82

    Rain Showers

    • 69
    • 86

    Partly Sunny

    • 62
    • 82

    Partly Sunny

    • 64
    • 83

    Mostly Sunny

    • 67
    • 87

    Partly Sunny

Today 11 Sep Arlington/Falls Church/Alexandria

Mostly cloudy. A chance of Showers late this morning. Highs in the lower 80s. Northeast Winds around 5 Mph. Chance of rain 30 percent.

Tonight 11 Sep Arlington/Falls Church/Alexandria

Mostly cloudy. A chance of Showers after midnight. Lows in the upper 60s. East Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 30 percent.

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Mill Creek Park Temperature Statistics

September Temperature

Fort Belvoir (8.7 miles)

  • Lowest 8 September, 2026

    58.8 °F

  • Average September

    76.6 °F

  • Highest 1 September, 2026

    96.4 °F

Climate (2021–2026)

Fort Belvoir (8.7 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.4 °F
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