Potomac Weather Forecast

    • 61
    • 82

    Becoming Sunny

    • 63
    • 87

    Mostly Sunny

    • 62
    • 80

    Partly Sunny

    • 61
    • 78

    Mostly Cloudy

    • 61
    • 80

    Mostly Cloudy

    • 63
    • 82

    Partly Sunny

Today 18 Sep Stafford

Mostly sunny. Highs in the lower 80s. North Winds around 5 Mph.

Tonight 18 Sep Stafford

Mostly clear. Lows in the lower 60s. Southwest Winds around 5 Mph.

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Potomac Temperature Statistics

September Temperature

Stafford, Stafford Regional Airport (4.3 miles)

  • Lowest 9 September, 2025

    47.8 °F

  • Average September

    68.4 °F

  • Highest 6 September, 2025

    94.5 °F

Climate (2020–Present)

Stafford, Stafford Regional Airport (4.3 miles)

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  • Average Low 2020–2025

    48.7 °F

  • Average 2020–2025

    59.1 °F

  • Average High 2020–2025

    70.1 °F
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