Pittsburgh Weather Forecast

    • 67
    • 87

    Thunderstorms

    • 59
    • 82

    Partly Sunny

    • 68
    • 85

    Partly Sunny

    • 66
    • 85

    Rain Showers

    • 58
    • 80

    Chance Thunderstorms

    • 59
    • 80

    Mostly Sunny

Today 18 Jul Allegheny

Patchy smoke in the morning. Showers likely. A chance of Thunderstorms in the Morning, then Thunderstorms likely in the afternoon. Humid with Highs in the mid 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent. Heat index Values in the mid 90s in the afternoon.

Tonight 18 Jul Allegheny

Mostly cloudy. Showers and Thunderstorms, mainly in the evening. Humid with Lows in the mid 60s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northwest 5 to 10 Mph after midnight. Chance of rain 90 percent.

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Pittsburgh Temperature Statistics

July Temperature

Pittsburgh - Allegheny County Airport (6.8 miles)

  • Lowest 12 July, 2026

    66.9 °F

  • Average July

    77.8 °F

  • Highest 2 July, 2026

    93 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (6.8 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.4 °F
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