Sugarland Run Stream Valley Park Weather Forecast

    • 60
    • 86

    Chance Rain Showers

    • 58
    • 65

    Chance Rain Showers

    • 45
    • 79

    Chance Rain Showers

    • 36
    • 54

    Mostly Sunny

    • 41
    • 59

    Mostly Sunny

    • 45
    • 64

    Partly Sunny

Today 14 Oct Eastern Loudoun

Sunny, hot with Highs in the mid 80s. Southwest Winds around 5 Mph.

Tonight 14 Oct Eastern Loudoun

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows around 60. Northwest Winds around 5 Mph, becoming north after midnight. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sugarland Run Stream Valley Park Temperature Statistics

October Temperature

Washington/Dulles International Airport, DC (5.6 miles)

  • Lowest 7 October, 2026

    42.7 °F

  • Average October

    63.9 °F

  • Highest 2 October, 2026

    89.7 °F

Climate (2021–2026)

Washington/Dulles International Airport, DC (5.6 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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