Ashton-Sandy Spring Weather Forecast

    • 72
    • 85

    Thunderstorms

    • 74
    • 90

    Chance Thunderstorms

    • 67
    • 88

    Chance Thunderstorms

    • 62
    • 82

    Partly Sunny

    • 61
    • 81

    Mostly Sunny

    • 62
    • 81

    Slight Chance Thunderstorms

Today 2 Sep Central and Southeast Montgomery

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

Tonight 2 Sep Central and Southeast Montgomery

Scattered Showers and Thunderstorms in the Evening, then numerous Showers and Thunderstorms after midnight. Lows in the lower 70s. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent.

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Ashton-Sandy Spring Temperature Statistics

September Temperature

Gaithersburg - Montgomery County Airport (8.7 miles)

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Climate (2021–2026)

Gaithersburg - Montgomery County Airport (8.7 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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