New Mark Commons Weather Forecast

    • 60
    • 81

    Mostly Cloudy

    • 60
    • 72

    Rain Showers Likely

    • 61
    • 68

    Rain Showers Likely

    • 61
    • 80

    Mostly Sunny

    • 61
    • 86

    Mostly Sunny

    • 61
    • 78

    Partly Sunny

Today 15 Sep Central and Southeast Montgomery

Partly sunny. Highs in the lower 80s. East Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 15 Sep Central and Southeast Montgomery

Mostly cloudy. Lows around 60. Northeast Winds 5 to 10 Mph.

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New Mark Commons Temperature Statistics

September Temperature

Gaithersburg - Montgomery County Airport (6.2 miles)

  • Lowest 9 September, 2025

    48.2 °F

  • Average September

    67.1 °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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