Potomac River - Four Mile Run Entrance Weather Forecast

    • 32
    • 50

    Mostly Sunny

    • 31
    • 45

    Partly Sunny

    • 29
    • 43

    Partly Sunny

    • 29
    • 44

    Mostly Sunny

    • 33
    • 47

    Partly Sunny

    • 35
    • 52

    Mostly Sunny

Today 5 Dec Arlington/Falls Church/Alexandria

Partly sunny. Highs around 50. Northwest Winds around 15 Mph with Gusts up to 35 Mph.

Tonight 5 Dec Arlington/Falls Church/Alexandria

Mostly clear. Lows in the lower 30s. Northwest Winds 5 to 10 Mph.

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Potomac River - Four Mile Run Entrance Temperature Statistics

December Temperature

Washington/Reagan National Airport, DC (0.6 miles)

  • Lowest 3 December, 2020

    33.1 °F
  • Average December

    43.6 °F
  • Highest 3 December, 2020

    54 °F

Climate (2010–Present)

Washington/Reagan National Airport, DC (0.6 miles)

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  • Average Low 2010–Present

    53.5 °F
  • Average 2010–Present

    60.6 °F
  • Average High 2010–Present

    68.8 °F
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