National Hill Weather Forecast

    • 56
    • 80

    Rain Showers

    • 49
    • 69

    Rain Showers Likely

    • 44
    • 70

    Mostly Sunny

    • 47
    • 72

    Mostly Sunny

    • 51
    • 77

    Mostly Sunny

    • 53
    • 79

    Mostly Sunny

    • 52
    • 79

    Mostly Sunny

Today 5 Sep Allegheny

Mostly sunny. Highs in the lower 80s. Southwest Winds around 15 Mph with Gusts up to 30 Mph.

Tonight 5 Sep Allegheny

Partly cloudy Early, then mostly cloudy with isolated Showers and Thunderstorms this evening. Mostly cloudy with scattered Showers with isolated Thunderstorms after midnight. Lows in the upper 50s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming west around 5 Mph after midnight. Chance of rain 50 percent.

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National Hill Temperature Statistics

September Temperature

Pittsburgh, Pittsburgh International Airport (11.8 miles)

  • Lowest 1 September, 2025

    50 °F

  • Average September

    66.1 °F

  • Highest 3 September, 2025

    82 °F

Climate (2020–Present)

Pittsburgh, Pittsburgh International Airport (11.8 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    63.1 °F
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