Comus Weather Forecast

    • 69
    • 86

    Rain Showers Likely

    • 59
    • 81

    Partly Sunny

    • 64
    • 78

    Mostly Cloudy

    • 62
    • 82

    Rain Showers Likely

    • 59
    • 72

    Chance Rain Showers

    • 57
    • 69

    Chance Rain Showers

Today 17 Sep Northwest Montgomery

Partly sunny late this Morning, then mostly cloudy with numerous Showers and scattered Thunderstorms this afternoon. Highs in the upper 80s. South Winds around 5 Mph. Chance of rain 60 percent.

Tonight 17 Sep Northwest Montgomery

Mostly cloudy with scattered Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 60s. Southwest Winds around 5 Mph, becoming northwest after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Comus Temperature Statistics

September Temperature

Gaithersburg - Montgomery County Airport (11.2 miles)

  • Lowest 15 September, 2026

    50 °F

  • Average September

    73.6 °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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