Arlington Weather Forecast

    • 58
    • 79

    Rain Showers

    • 54
    • 76

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

    • 50
    • 69

    Partly Sunny

    • 50
    • 67

    Partly Sunny

    • 53
    • 66

    Mostly Cloudy

Today 25 Sep Arlington/Falls Church/Alexandria

Numerous Showers with isolated Thunderstorms. Highs in the upper 70s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 60 percent.

Tonight 25 Sep Arlington/Falls Church/Alexandria

Mostly cloudy with scattered Showers with isolated Thunderstorms in the Evening, then mostly clear after midnight. Lows in the upper 50s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arlington Temperature Statistics

September Temperature

Washington/Reagan National Airport, DC (4.3 miles)

  • Lowest 23 September, 2022

    54 °F
  • Average September

    74.8 °F
  • Highest 1 September, 2022

    90 °F

Climate (2010–Present)

Washington/Reagan National Airport, DC (4.3 miles)

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  • Average Low 2010–Present

    53.4 °F
  • Average 2010–Present

    60.8 °F
  • Average High 2010–Present

    69.1 °F
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