Monongahela Weather Forecast

    • 60
    • 80

    Rain Showers Likely

    • 59
    • 76

    Rain Showers

    • 54
    • 77

    Partly Sunny

    • 58
    • 80

    Partly Sunny

    • 61
    • 83

    Chance Thunderstorms

    • 60
    • 82

    Slight Chance Thunderstorms

Today 21 Jun Washington

Mostly sunny in the Morning, then becoming partly sunny. Highs in the upper 70s. West Winds 5 to 10 Mph.

Tonight 21 Jun Washington

Considerable cloudiness. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the lower 60s. Southwest Winds around 5 Mph, becoming east with Gusts up to 20 Mph after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monongahela Temperature Statistics

June Temperature

Pittsburgh - Allegheny County Airport (9.9 miles)

  • Lowest 16 June, 2026

    50 °F

  • Average June

    70.3 °F

  • Highest 11 June, 2026

    88 °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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