New Mark Commons Weather Forecast

    • 25
    • 42

    Increasing Clouds

    • 17
    • 31

    Mostly Cloudy

    • 30
    • 36

    Mostly Cloudy

    • 33
    • 48

    Mostly Cloudy

    • 29
    • 43

    Chance Rain/Snow

    • 20
    • 38

    Chance Snow

    • 19
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    Partly Sunny

Today 7 Dec Central and Southeast Montgomery

Mostly sunny. Highs in the lower 40s. South Winds around 5 Mph.

Tonight 7 Dec Central and Southeast Montgomery

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 20s. West Winds around 5 Mph, becoming north with Gusts up to 20 Mph after midnight.

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New Mark Commons Temperature Statistics

December Temperature

Gaithersburg - Montgomery County Airport (6.2 miles)

  • Lowest 4 December, 2025

    21.9 °F

  • Average December

    32.4 °F

  • Highest 1 December, 2025

    44.1 °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

    65.8 °F
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