Gaithersburg Weather Forecast

    • 43
    • 45

    Mostly Cloudy

    • 47
    • 54

    Rain

    • 31
    • 54

    Chance Rain

    • 37
    • 53

    Mostly Sunny

    • 39
    • 56

    Mostly Cloudy

    • 50
    • 56

    Rain Likely

    • 39
    • 64

    Slight Chance Rain

Today 20 Nov Central and Southeast Montgomery

Cloudy. Highs in the upper 40s. East Winds around 5 Mph.

Tonight 20 Nov Central and Southeast Montgomery

Mostly cloudy. Lows in the lower 40s. Southeast Winds around 5 Mph this Evening, becoming light and variable.

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Gaithersburg Temperature Statistics

November Temperature

Gaithersburg - Montgomery County Airport (2.5 miles)

  • Lowest 18 November, 2025

    23 °F

  • Average November

    48 °F

  • Highest 5 November, 2025

    71.1 °F

Climate (2020–Present)

Gaithersburg - Montgomery County Airport (2.5 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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