St. Clair Weather Forecast

    • 57
    • 79

    Mostly Sunny

    • 60
    • 79

    Partly Sunny

    • 63
    • 82

    Partly Sunny

    • 61
    • 81

    Chance Rain Showers

    • 52
    • 73

    Rain Showers Likely

    • 48
    • 65

    Chance Rain Showers

    • 44
    • 61

    Chance Rain Showers

Today 25 Sep Allegheny

Mostly sunny. Highs in the upper 70s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Clair Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (4.3 miles)

  • Lowest 22 September, 2020

    39.2 °F
  • Average September

    65.3 °F
  • Highest 10 September, 2020

    86 °F

Climate (2010–Present)

Pittsburgh - Allegheny County Airport (4.3 miles)

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  • Average Low 2010–Present

    46 °F
  • Average 2010–Present

    53.8 °F
  • Average High 2010–Present

    62.4 °F
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