Merrifield Weather Forecast

    • 55
    • 62

    Rain

    • 54
    • 62

    Rain Likely

    • 52
    • 63

    Mostly Cloudy

    • 53
    • 66

    Partly Sunny

    • 55
    • 67

    Partly Sunny

    • 54
    • 70

    Partly Sunny

Today 22 Sep Arlington/Falls Church/Alexandria

Rain with possible Thunderstorms and drizzle. 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

Patchy drizzle. 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

Merrifield Temperature Statistics

September Temperature

Washington/Reagan National Airport, DC (10.6 miles)

  • Lowest 15 September, 2026

    58.6 °F

  • Average September

    78.4 °F

  • Highest 1 September, 2026

    98.7 °F

Climate (2021–2026)

Washington/Reagan National Airport, DC (10.6 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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