Sewickley Weather Forecast

    • 69
    • 86

    Chance Thunderstorms

    • 66
    • 83

    Rain Showers

    • 63
    • 82

    Chance Thunderstorms

    • 65
    • 83

    Partly Sunny

    • 66
    • 85

    Mostly Sunny

    • 69
    • 88

    Mostly Sunny

Today 9 Jul Allegheny

Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the mid 80s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 9 Jul Allegheny

Mostly cloudy with a chance of Showers and Thunderstorms. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sewickley Temperature Statistics

July Temperature

Pittsburgh, Pittsburgh International Airport (4.3 miles)

  • Lowest 5 July, 2026

    68.6 °F

  • Average July

    81.1 °F

  • Highest 3 July, 2026

    95.6 °F

Climate (2021–2026)

Pittsburgh, Pittsburgh International Airport (4.3 miles)

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  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    54.1 °F

  • Average High 2021–2026

    63.4 °F
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