Monongahela Weather Forecast

    • 46
    • 72

    Sunny

    • 49
    • 75

    Mostly Sunny

    • 52
    • 77

    Partly Sunny

    • 51
    • 76

    Mostly Sunny

    • 53
    • 77

    Mostly Sunny

    • 58
    • 82

    Mostly Sunny

Today 30 May Washington

Sunny. Near steady temperature in the upper 60s. Northeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 30 May Washington

Clear. Lows in the mid 40s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monongahela Temperature Statistics

May Temperature

Pittsburgh - Allegheny County Airport (9.9 miles)

  • Lowest 2 May, 2026

    34 °F

  • Average May

    58.9 °F

  • Highest 18 May, 2026

    87.1 °F

Climate (2021–Present)

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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