Monongahela Weather Forecast

    • 68
    • 86

    Rain Showers

    • 65
    • 83

    Rain Showers

    • 61
    • 83

    Rain Showers Likely

    • 63
    • 84

    Slight Chance Thunderstorms

    • 64
    • 85

    Mostly Sunny

    • 68
    • 89

    Mostly Sunny

Today 9 Jul Washington

Partly sunny with scattered Showers. Isolated Thunderstorms this Morning, then scattered Thunderstorms this afternoon. Highs in the mid 80s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 9 Jul Washington

Mainly clear in the Evening, then becoming mostly cloudy. Scattered Showers. Scattered Thunderstorms, mainly in the evening. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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Monongahela Temperature Statistics

July Temperature

Pittsburgh - Allegheny County Airport (9.9 miles)

  • Lowest 5 July, 2026

    68 °F

  • Average July

    78.9 °F

  • Highest 2 July, 2026

    93 °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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