Mount Lebanon Weather Forecast

    • 63
    • 83

    Slight Chance Rain Showers

    • 52
    • 70

    Rain Showers

    • 39
    • 65

    Mostly Sunny

    • 40
    • 62

    Sunny

    • 43
    • 67

    Mostly Sunny

    • 47
    • 68

    Mostly Sunny

Today 6 Oct Allegheny

Sunny. Unseasonably warm with Highs in the lower 80s. Southwest Winds around 5 Mph.

Tonight 6 Oct Allegheny

Mainly clear in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Mild. Lows in the lower 60s. South Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Lebanon Temperature Statistics

October Temperature

Pittsburgh - Allegheny County Airport (6.2 miles)

  • Lowest 2 October, 2025

    48.9 °F

  • Average October

    63.5 °F

  • Highest 4 October, 2025

    78.1 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (6.2 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    54.7 °F

  • Average High 2020–2025

    63.4 °F
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