Black Hill Regional Park Weather Forecast

    • 68
    • 80

    Rain Showers

    • 66
    • 84

    Partly Sunny

    • 52
    • 77

    Mostly Sunny

    • 58
    • 79

    Mostly Sunny

    • 62
    • 81

    Mostly Sunny

    • 64
    • 85

    Chance Rain Showers

    • 62
    • 84

    Chance Rain Showers

Today 12 Sep Northwest Montgomery

Mostly cloudy with isolated Showers and Thunderstorms. Highs in the lower 80s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 12 Sep Northwest Montgomery

Showers and scattered Thunderstorms in the Evening, then Showers with isolated Thunderstorms after midnight. Patchy fog after midnight. Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of rain 90 percent.

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Black Hill Regional Park Temperature Statistics

September Temperature

Gaithersburg - Montgomery County Airport (6.8 miles)

  • Lowest 8 September, 2026

    55.4 °F

  • Average September

    74.8 °F

  • Highest 1 September, 2026

    93.9 °F

Climate (2021–2026)

Gaithersburg - Montgomery County Airport (6.8 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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