Sugarland Run Stream Valley Park Weather Forecast

    • 65
    • 75

    Chance Rain Showers

    • 63
    • 80

    Rain Showers

    • 55
    • 78

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 55
    • 72

    Mostly Sunny

Today 26 May Eastern Loudoun

Cloudy. Patchy fog late this morning. Numerous Showers late this Morning, then scattered Showers this afternoon. Highs in the mid 70s. East Winds around 5 Mph, becoming southeast around 5 Mph this afternoon. Chance of rain 70 percent.

Tonight 26 May Eastern Loudoun

Isolated Thunderstorms in the evening. Mostly cloudy with scattered Showers. Patchy fog after midnight. Lows in the mid 60s. South Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

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Sugarland Run Stream Valley Park Temperature Statistics

May Temperature

Washington/Dulles International Airport, DC (5.6 miles)

  • Lowest 8 May, 2026

    37.7 °F

  • Average May

    62.7 °F

  • Highest 19 May, 2026

    96.7 °F

Climate (2021–Present)

Washington/Dulles International Airport, DC (5.6 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.6 °F
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