Windmill Hill Park Weather Forecast

    • 70
    • 90

    Rain Showers Likely

    • 68
    • 82

    Mostly Cloudy

    • 70
    • 84

    Rain Showers Likely

    • 69
    • 87

    Slight Chance Thunderstorms

    • 63
    • 83

    Partly Sunny

    • 65
    • 81

    Mostly Sunny

    • 67
    • 87

    Chance Rain Showers

Today 10 Sep Arlington/Falls Church/Alexandria

Mostly cloudy. Highs in the upper 80s. West Winds around 5 Mph.

Tonight 10 Sep Arlington/Falls Church/Alexandria

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Lows around 70. Northwest Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Windmill Hill Park Temperature Statistics

September Temperature

Washington/Reagan National Airport, DC (3.1 miles)

  • Lowest 7 September, 2026

    64.7 °F

  • Average September

    79.9 °F

  • Highest 1 September, 2026

    98.7 °F

Climate (2021–2026)

Washington/Reagan National Airport, DC (3.1 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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