Comus Weather Forecast

    • 61
    • 81

    Chance Rain Showers

    • 58
    • 79

    Partly Sunny

    • 59
    • 80

    Mostly Sunny

    • 63
    • 82

    Partly Sunny

    • 69
    • 86

    Partly Sunny

    • 63
    • 87

    Slight Chance Thunderstorms

Today 5 Sep Northwest Montgomery

Mostly cloudy. A slight chance of Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the lower 80s. North Winds around 5 Mph. Chance of rain 40 percent.

Tonight 5 Sep Northwest Montgomery

Mostly cloudy. Lows around 70. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Comus Temperature Statistics

September Temperature

Gaithersburg - Montgomery County Airport (11.2 miles)

  • Lowest 2 September, 2026

    71.1 °F

  • Average September

    78.9 °F

  • Highest 1 September, 2026

    93.9 °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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