Pittsburgh Weather Forecast

    • 55
    • 75

    Gradual Clearing

    • 60
    • 78

    Mostly Cloudy

    • 64
    • 83

    Partly Sunny

    • 56
    • 81

    Rain Showers Likely

    • 56
    • 70

    Chance Rain Showers

    • 49
    • 69

    Chance Rain Showers

Today 29 Sep Allegheny

Areas of fog in the morning. Considerable cloudiness. Highs in the mid 70s. Light and variable Winds.

Tonight 29 Sep Allegheny

Partly cloudy. Patchy fog in the Evening, then Areas of fog after midnight. Lows in the mid 50s. South Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Pittsburgh Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (6.8 miles)

  • Lowest 25 September, 2026

    44.1 °F

  • Average September

    68.4 °F

  • Highest 2 September, 2026

    91 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (6.8 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
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