Potomac Weather Forecast

    • 53
    • 74

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

    • 65
    • 85

    Sunny

    • 70
    • 90

    Mostly Sunny

    • 73
    • 93

    Slight Chance Thunderstorms

    • 71
    • 91

    Chance Thunderstorms

Today 1 Jun Arlington/Falls Church/Alexandria

Sunny. Highs in the mid 70s. West Winds 5 to 10 Mph.

Tonight 1 Jun Arlington/Falls Church/Alexandria

Clear. Lows in the upper 40s. West Winds 5 to 10 Mph.

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Potomac Temperature Statistics

June Temperature

Washington/Reagan National Airport, DC (1.9 miles)

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  • Average June

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Climate (2020–Present)

Washington/Reagan National Airport, DC (1.9 miles)

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  • Average Low 2020–2025

    52.7 °F

  • Average 2020–2025

    60.5 °F

  • Average High 2020–2025

    69.2 °F
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