London Towne Weather Forecast

    • 68
    • 89

    Chance Thunderstorms

    • 66
    • 81

    Chance Rain Showers

    • 68
    • 83

    Rain Showers Likely

    • 66
    • 86

    Slight Chance Thunderstorms

    • 60
    • 82

    Partly Sunny

    • 62
    • 82

    Partly Sunny

    • 64
    • 87

    Chance Rain Showers

Today 10 Sep Eastern Loudoun

Mostly cloudy. Highs in the upper 80s. Northwest Winds 5 to 10 Mph.

Tonight 10 Sep Eastern Loudoun

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the upper 60s. Northwest Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

London Towne Temperature Statistics

September Temperature

Washington/Dulles International Airport, DC (6.2 miles)

  • Lowest 8 September, 2026

    57 °F

  • Average September

    77.5 °F

  • Highest 1 September, 2026

    94.6 °F

Climate (2021–2026)

Washington/Dulles International Airport, DC (6.2 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    68.6 °F
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