Derwood Weather Forecast

    • 73
    • 88

    Smoke

    • 71
    • 90

    Thunderstorms

    • 65
    • 84

    Mostly Sunny

    • 69
    • 85

    Partly Sunny

    • 71
    • 89

    Rain Showers Likely

    • 64
    • 86

    Mostly Sunny

Today 17 Jul Central and Southeast Montgomery

Partly sunny. Smoke. Highs in the upper 80s. Northwest Winds around 5 Mph.

Tonight 17 Jul Central and Southeast Montgomery

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Smoke. Lows in the mid 70s. East Winds around 5 Mph, becoming southeast after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Derwood Temperature Statistics

July Temperature

Gaithersburg - Montgomery County Airport (3.1 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 (3.1 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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