Countryside Weather Forecast

    • 26
    • 48

    Mostly Cloudy

    • 43
    • 47

    Rain

    • 26
    • 50

    Partly Sunny

    • 34
    • 44

    Mostly Cloudy

    • 27
    • 51

    Slight Chance Rain

Today 17 Dec Eastern Loudoun

Mostly sunny in the Morning, then becoming mostly cloudy. Highs in the upper 40s. Southwest Winds around 5 Mph, becoming west in the afternoon.

Tonight 17 Dec Eastern Loudoun

Partly cloudy. Lows in the upper 20s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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Countryside Temperature Statistics

December Temperature

Washington/Dulles International Airport, DC (8.1 miles)

  • Lowest 9 December, 2025

    14 °F

  • Average December

    32.3 °F

  • Highest 10 December, 2025

    45 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (8.1 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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