Finleyville Weather Forecast

    • 48
    • 73

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 48
    • 70

    Mostly Sunny

    • 52
    • 74

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

    • 51
    • 74

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

Today 28 May Washington

Sunny. Near steady temperature in the lower 70s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 28 May Washington

Clear. Lows in the upper 40s. North Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Finleyville Temperature Statistics

May Temperature

Pittsburgh - Allegheny County Airport (8.1 miles)

  • Lowest 2 May, 2026

    34 °F

  • Average May

    58.3 °F

  • Highest 18 May, 2026

    87.1 °F

Climate (2021–Present)

Pittsburgh - Allegheny County Airport (8.1 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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