Comus Weather Forecast

    • 71
    • 90

    Rain Showers

    • 64
    • 84

    Mostly Sunny

    • 68
    • 84

    Slight Chance Thunderstorms

    • 71
    • 88

    Rain Showers

    • 63
    • 85

    Chance Rain Showers

    • 62
    • 82

    Mostly Sunny

Today 18 Jul Northwest Montgomery

Smoke in the morning. Partly sunny with a slight chance of Showers and Thunderstorms in the Morning, then mostly cloudy with Showers and Thunderstorms likely in the afternoon. Highs in the upper 80s. South Winds 5 to 10 Mph, becoming southwest with Gusts up to 20 Mph in the afternoon. Chance of rain 70 percent.

Tonight 18 Jul Northwest Montgomery

Mostly cloudy. Showers and Thunderstorms likely in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the lower 70s. Southwest Winds 5 to 10 Mph, becoming west after midnight. 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

    79.2 °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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