Monongahela Weather Forecast

    • 72
    • 92

    Chance Thunderstorms

    • 70
    • 91

    Rain Showers Likely

    • 65
    • 85

    Rain Showers

    • 58
    • 81

    Slight Chance Rain Showers

    • 58
    • 80

    Partly Sunny

    • 61
    • 82

    Partly Sunny

Today 2 Sep Washington

Mostly sunny. A slight chance of Showers and Thunderstorms in the morning. Hot with Highs around 90. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values in the upper 90s in the afternoon.

Tonight 2 Sep Washington

Mainly clear. A chance of Showers with a slight chance of Thunderstorms after midnight. Warm with Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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Monongahela Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (9.9 miles)

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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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