McLean Weather Forecast

    • 41
    • 52

    Rain

    • 32
    • 47

    Chance Rain Showers

    • 30
    • 43

    Mostly Sunny

    • 30
    • 41

    Partly Sunny

    • 31
    • 45

    Partly Sunny

    • 34
    • 49

    Partly Sunny

Today 4 Dec Arlington/Falls Church/Alexandria

Mostly cloudy. A slight chance of Showers in the Morning, then rain likely in the afternoon. Highs in the mid 50s. South Winds 5 to 10 Mph. Chance of rain 60 percent.

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McLean Temperature Statistics

December Temperature

Washington/Reagan National Airport, DC (9.3 miles)

  • Lowest 1 December, 2020

    39.9 °F
  • Average December

    44.3 °F
  • Highest 1 December, 2020

    48.9 °F

Climate (2010–Present)

Washington/Reagan National Airport, DC (9.3 miles)

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  • Average Low 2010–Present

    53.5 °F
  • Average 2010–Present

    60.7 °F
  • Average High 2010–Present

    68.8 °F
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