Universal Weather Forecast

    • 56
    • 61

    Rain Showers Likely

    • 52
    • 64

    Rain Showers Likely

    • 50
    • 63

    Chance Thunderstorms

    • 45
    • 65

    Slight Chance Rain Showers

    • 46
    • 68

    Partly Sunny

Today 21 Sep Allegheny

Showers. Patchy fog. Near steady temperature in the upper 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

Tonight 21 Sep Allegheny

Showers, mainly in the evening. Near steady temperature in the upper 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Universal Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (9.9 miles)

  • Lowest 15 September, 2026

    53.1 °F

  • Average September

    71.7 °F

  • Highest 2 September, 2026

    91 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (9.9 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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