Sugarland Run Stream Valley Park Weather Forecast

    • 25
    • 36

    Mostly Sunny

    • 27
    • 48

    Partly Sunny

    • 39
    • 54

    Mostly Cloudy

    • 25
    • 47

    Partly Sunny

    • 35
    • 43

    Partly Sunny

    • 30
    • 51

    Mostly Cloudy

Today 16 Dec Eastern Loudoun

Sunny. Highs in the upper 30s. Light and variable Winds, becoming south around 5 Mph in the afternoon.

Tonight 16 Dec Eastern Loudoun

Mostly clear. Cold with Lows around 16. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sugarland Run Stream Valley Park Temperature Statistics

December Temperature

Washington/Dulles International Airport, DC (5.6 miles)

  • Lowest 9 December, 2025

    14 °F

  • Average December

    32.8 °F

  • Highest 10 December, 2025

    45 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (5.6 miles)

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  • Average Low 2020–2025

    47.7 °F

  • Average 2020–2025

    58.2 °F

  • Average High 2020–2025

    68.4 °F
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