Monongahela Weather Forecast

    • 64
    • 72

    Rain Showers

    • 40
    • 76

    Rain Showers

    • 33
    • 52

    Mostly Sunny

    • 34
    • 61

    Mostly Sunny

    • 39
    • 65

    Partly Sunny

    • 40
    • 66

    Partly Sunny

Today 15 Oct Washington

Mostly cloudy. Highs in the lower 70s. Northeast Winds 5 to 10 Mph, becoming east this afternoon.

Tonight 15 Oct Washington

Mostly cloudy with scattered Showers with isolated Thunderstorms. Mild with Lows in the mid 60s. Temperatures rising into the upper 60s after midnight. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming south 10 to 15 Mph with Gusts up to 30 Mph after midnight. Chance of rain 50 percent.

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Monongahela Temperature Statistics

October Temperature

Pittsburgh - Allegheny County Airport (9.9 miles)

  • Lowest 7 October, 2026

    41 °F

  • Average October

    59.3 °F

  • Highest 1 October, 2026

    81 °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

    63.2 °F
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