McKnight Weather Forecast

    • 64
    • 81

    Increasing Clouds

    • 66
    • 82

    Rain Showers

    • 60
    • 82

    Chance Thunderstorms

    • 55
    • 74

    Partly Sunny

    • 63
    • 80

    Partly Sunny

    • 66
    • 84

    Rain Showers Likely

    • 60
    • 80

    Rain Showers Likely

Today 11 Sep Allegheny

Mostly sunny. Near steady temperature around 80. North Winds around 5 Mph.

Tonight 11 Sep Allegheny

Partly cloudy this Evening, then becoming mostly cloudy. Warm with Lows in the mid 60s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McKnight Temperature Statistics

September Temperature

Pittsburgh, Pittsburgh International Airport (11.2 miles)

  • Lowest 7 September, 2026

    58.6 °F

  • Average September

    75.2 °F

  • Highest 2 September, 2026

    92.6 °F

Climate (2021–2026)

Pittsburgh, Pittsburgh International Airport (11.2 miles)

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  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    54.1 °F

  • Average High 2021–2026

    63.5 °F
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