Monongahela Weather Forecast

    • 67
    • 85

    Chance Thunderstorms

    • 67
    • 86

    Chance Rain Showers

    • 67
    • 87

    Rain Showers

    • 66
    • 83

    Rain Showers

    • 65
    • 83

    Rain Showers

    • 62
    • 82

    Rain Showers Likely

    • 58
    • 79

    Chance Rain Showers

Today 8 Aug Washington

Partly cloudy. Highs in the lower 80s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 8 Aug Washington

Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then partly cloudy after midnight. Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monongahela Temperature Statistics

August Temperature

Pittsburgh - Allegheny County Airport (9.9 miles)

  • Lowest 4 August, 2026

    60.1 °F

  • Average August

    73.6 °F

  • Highest 4 August, 2026

    86 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (9.9 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.4 °F
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