New Mark Commons Weather Forecast

    • 60
    • 83

    Mostly Cloudy

    • 65
    • 77

    Windy

    • 65
    • 81

    Rain Showers Likely

    • 61
    • 75

    Rain Showers Likely

    • 56
    • 67

    Rain Showers Likely

    • 55
    • 61

    Chance Rain Showers

Today 18 Sep Central and Southeast Montgomery

Partly sunny. Highs in the lower 80s. North Winds 5 to 10 Mph.

Tonight 18 Sep Central and Southeast Montgomery

Partly cloudy in the Evening, then becoming 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 15 September, 2026

    50 °F

  • Average September

    73.5 °F

  • Highest 1 September, 2026

    93.9 °F

Climate (2021–2026)

Gaithersburg - Montgomery County Airport (6.2 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    56 °F

  • Average High 2021–2026

    65.9 °F
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