North Potomac Weather Forecast

    • 63
    • 67

    Chance Rain Showers

    • 60
    • 81

    Partly Sunny

    • 57
    • 85

    Mostly Sunny

    • 59
    • 78

    Partly Sunny

    • 57
    • 75

    Partly Sunny

    • 60
    • 79

    Partly Sunny

Today 17 Sep Central and Southeast Montgomery

Cloudy. Showers likely late this Morning, then a chance of Showers this afternoon. Highs in the upper 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 17 Sep Central and Southeast Montgomery

Mostly cloudy. A chance of Showers in the evening. Patchy fog. Lows in the lower 60s. North Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

North Potomac Temperature Statistics

September Temperature

Gaithersburg - Montgomery County Airport (6.2 miles)

  • Lowest 9 September, 2025

    48.2 °F

  • Average September

    67.6 °F

  • Highest 6 September, 2025

    89.1 °F

Climate (2020–Present)

Gaithersburg - Montgomery County Airport (6.2 miles)

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  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    56 °F

  • Average High 2020–2025

    65.9 °F
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