Potomac Weather Forecast

    • 50
    • 73

    Rain Showers Likely

    • 47
    • 69

    Partly Sunny

    • 56
    • 82

    Chance Rain

    • 34
    • 65

    Slight Chance Rain

    • 37
    • 54

    Mostly Cloudy

    • 38
    • 59

    Mostly Cloudy

    • 47
    • 66

    Partly Sunny

Today 20 Mar Stafford

Mostly cloudy. Highs in the lower 70s. Southwest Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 20 Mar Stafford

Mostly cloudy. Showers with isolated Thunderstorms, mainly this evening. Lows around 50. Southwest Winds 10 to 15 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac Temperature Statistics

March Temperature

Stafford, Stafford Regional Airport (4.3 miles)

  • Lowest 18 March, 2026

    26.4 °F

  • Average March

    52.9 °F

  • Highest 11 March, 2026

    88.7 °F

Climate (2021–Present)

Stafford, Stafford Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    48.6 °F

  • Average 2021–2026

    59 °F

  • Average High 2021–2026

    70.1 °F
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