Lake Barcroft Weather Forecast

    • 51
    • 65

    Decreasing Clouds

    • 55
    • 71

    Becoming Sunny

    • 58
    • 72

    Slight Chance Rain Showers

    • 59
    • 70

    Mostly Cloudy

    • 58
    • 72

    Partly Sunny

    • 57
    • 75

    Mostly Sunny

    • 62
    • 78

    Partly Sunny

Today 24 Sep Arlington/Falls Church/Alexandria

Mostly sunny. Highs in the lower 80s.

Tonight 24 Sep Arlington/Falls Church/Alexandria

Partly cloudy. Lows in the lower 50s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Barcroft Temperature Statistics

September Temperature

Washington/Reagan National Airport, DC (6.2 miles)

  • Lowest 15 September, 2026

    58.6 °F

  • Average September

    77.3 °F

  • Highest 1 September, 2026

    98.7 °F

Climate (2021–2026)

Washington/Reagan National Airport, DC (6.2 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    69.3 °F
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