McDonald Weather Forecast

    • 63
    • 83

    Chance Thunderstorms

    • 58
    • 81

    Partly Sunny

    • 63
    • 82

    Mostly Sunny

    • 69
    • 88

    Partly Sunny

    • 73
    • 92

    Partly Sunny

    • 72
    • 89

    Chance Thunderstorms

Today 20 Jul Washington

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Morning, then Showers and Thunderstorms likely in the afternoon. Humid with Highs in the lower 80s. West Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 20 Jul Washington

Mostly cloudy. Showers with Thunderstorms likely in the Evening, then a chance of Showers after midnight. Humid with Lows in the mid 60s. Northwest Winds 5 to 10 Mph. Chance of rain 80 percent.

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McDonald Temperature Statistics

July Temperature

Pittsburgh, Pittsburgh International Airport (9.3 miles)

  • Lowest 2 July, 2025

    64.7 °F

  • Average July

    77.4 °F

  • Highest 6 July, 2025

    90.6 °F

Climate (2020–Present)

Pittsburgh, Pittsburgh International Airport (9.3 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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