Lake Accotink Park Weather Forecast

    • 56
    • 63

    Rain

    • 54
    • 62

    Rain Likely

    • 52
    • 64

    Mostly Cloudy

    • 53
    • 67

    Partly Sunny

    • 55
    • 68

    Partly Sunny

    • 55
    • 70

    Partly Sunny

Today 22 Sep Arlington/Falls Church/Alexandria

Rain with a slight chance of Thunderstorms. Patchy fog. Highs in the lower 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

Tonight 22 Sep Arlington/Falls Church/Alexandria

Rain, mainly in the evening. Patchy fog. Lows in the mid 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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  • Temperature Real-Time

Lake Accotink Park Temperature Statistics

September Temperature

Fort Belvoir (5.6 miles)

  • Lowest 15 September, 2026

    53.8 °F

  • Average September

    75.6 °F

  • Highest 1 September, 2026

    96.4 °F

Climate (2021–2026)

Fort Belvoir (5.6 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.4 °F
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