Lisbon Weather Forecast

    • 46
    • 64

    Partly Sunny

    • 51
    • 68

    Mostly Sunny

    • 53
    • 72

    Partly Sunny

    • 53
    • 70

    Partly Sunny

    • 52
    • 72

    Partly Sunny

    • 55
    • 72

    Mostly Sunny

Today 24 Sep Northwest Howard

Partly sunny. Highs in the mid 60s. Northeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 24 Sep Northwest Howard

Partly cloudy. Lows in the upper 40s. North Winds 5 to 10 Mph.

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Lisbon Temperature Statistics

September Temperature

Gaithersburg - Montgomery County Airport (12.4 miles)

  • Lowest 15 September, 2026

    50 °F

  • Average September

    73.1 °F

  • Highest 1 September, 2026

    93.9 °F

Climate (2021–2026)

Gaithersburg - Montgomery County Airport (12.4 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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