Glenelg Weather Forecast

    • 70
    • 87

    Thunderstorms

    • 61
    • 82

    Partly Sunny

    • 64
    • 80

    Mostly Sunny

    • 67
    • 83

    Partly Sunny

    • 72
    • 89

    Mostly Sunny

    • 75
    • 95

    Slight Chance Thunderstorms

    • 73
    • 93

    Chance Thunderstorms

Today 20 Jul Northwest Howard

Mostly sunny with scattered Showers and Thunderstorms. Highs in the upper 80s. West Winds around 10 Mph. Chance of rain 30 percent.

Tonight 20 Jul Northwest Howard

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 60s. Northwest Winds 5 to 10 Mph.

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Glenelg Temperature Statistics

July Temperature

Gaithersburg - Montgomery County Airport (11.2 miles)

  • Lowest 4 July, 2025

    60.1 °F

  • Average July

    78.4 °F

  • Highest 8 July, 2025

    95 °F

Climate (2020–Present)

Gaithersburg - Montgomery County Airport (11.2 miles)

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  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    65.9 °F
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