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 isolated 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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