Clinton Weather Forecast

    • 57
    • 75

    Gradual Clearing

    • 62
    • 82

    Mostly Cloudy

    • 61
    • 81

    Slight Chance Thunderstorms

    • 52
    • 76

    Mostly Sunny

    • 52
    • 75

    Partly Sunny

    • 55
    • 74

    Partly Sunny

Today 25 May Allegheny

Patchy fog in the morning. Mostly cloudy. Highs in the mid 70s. Northwest Winds around 5 Mph.

Tonight 25 May Allegheny

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 50s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clinton Temperature Statistics

May Temperature

Pittsburgh, Pittsburgh International Airport (1.2 miles)

  • Lowest 2 May, 2026

    32.6 °F

  • Average May

    57.1 °F

  • Highest 18 May, 2026

    89.7 °F

Climate (2021–Present)

Pittsburgh, Pittsburgh International Airport (1.2 miles)

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  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    54.1 °F

  • Average High 2021–2026

    63.3 °F
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