Rockville Weather Forecast

    • 47
    • 70

    Chance Rain Showers

    • 41
    • 62

    Mostly Sunny

    • 40
    • 61

    Mostly Sunny

    • 39
    • 60

    Partly Sunny

    • 41
    • 59

    Mostly Cloudy

    • 44
    • 58

    Mostly Cloudy

Today 21 Oct Central and Southeast Montgomery

Sunny. Highs in the lower 70s. South Winds 5 to 10 Mph.

Tonight 21 Oct Central and Southeast Montgomery

Mostly cloudy with a chance of Showers in the Evening, then partly cloudy after midnight. Lows in the upper 40s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

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Rockville Temperature Statistics

October Temperature

Gaithersburg - Montgomery County Airport (5.6 miles)

  • Lowest 17 October, 2025

    35.1 °F

  • Average October

    59.2 °F

  • Highest 6 October, 2025

    82 °F

Climate (2020–Present)

Gaithersburg - Montgomery County Airport (5.6 miles)

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  • Average Low 2020–2025

    46.4 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    66 °F
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