Comus Weather Forecast

    • 69
    • 88

    Severe Tstms

    • 60
    • 83

    Chance Thunderstorms

    • 59
    • 78

    Mostly Sunny

    • 63
    • 81

    Partly Sunny

    • 64
    • 79

    Partly Sunny

    • 67
    • 84

    Slight Chance Thunderstorms

Today 21 Jul Northwest Montgomery

Mostly cloudy. Scattered Showers with isolated Thunderstorms this Morning, then Showers and numerous Thunderstorms this afternoon. Some Thunderstorms may be severe with damaging Winds, large Hail, and heavy rainfall this afternoon. Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Gusts up to 25 Mph this afternoon. Chance of rain 80 percent.

Tonight 21 Jul Northwest Montgomery

Mostly cloudy. Numerous Showers and Thunderstorms, mainly in the evening. Some Thunderstorms may produce damaging Winds, large Hail, and heavy rainfall in the evening. Lows in the upper 60s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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Comus Temperature Statistics

July Temperature

Gaithersburg - Montgomery County Airport (11.2 miles)

  • Lowest 13 July, 2026

    62.6 °F

  • Average July

    79.3 °F

  • Highest 4 July, 2026

    100.9 °F

Climate (2021–2026)

Gaithersburg - Montgomery County Airport (11.2 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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