Holly Knoll Park Weather Forecast

    • 26
    • 54

    Breezy

    • 24
    • 35

    Breezy

    • 25
    • 40

    Mostly Cloudy

    • 19
    • 33

    Partly Sunny

    • 24
    • 36

    Mostly Cloudy

    • 24
    • 38

    Slight Chance Rain

Today 29 Dec Eastern Loudoun

Mostly cloudy late this Morning, then clearing. Numerous rain Showers late this morning. Windy with Highs in the upper 50s. Temperature falling into the upper 30s this afternoon. Southwest Winds 15 to 20 Mph with Gusts up to 40 Mph, increasing to west 25 to 30 Mph with Gusts up to 50 Mph this afternoon. Chance of rain 60 percent.

Tonight 29 Dec Eastern Loudoun

Mostly clear and windy. Lows in the mid 20s. West Winds 20 to 30 Mph. Gusts up to 50 Mph, decreasing to 40 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Holly Knoll Park Temperature Statistics

December Temperature

Washington/Dulles International Airport, DC (6.8 miles)

  • Lowest 9 December, 2025

    14 °F

  • Average December

    35.1 °F

  • Highest 19 December, 2025

    59 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (6.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    58.2 °F

  • Average High 2020–2025

    68.4 °F
Get WillyWeather+ to remove ads