Irwin Weather Forecast

    • 68
    • 85

    Rain Showers

    • 65
    • 83

    Rain Showers

    • 65
    • 83

    Rain Showers Likely

    • 62
    • 83

    Chance Thunderstorms

    • 58
    • 81

    Partly Sunny

    • 62
    • 81

    Chance Rain Showers

Today 10 Aug Westmoreland

Partly sunny with a chance of Thunderstorms. A chance of Showers late this Morning, then Showers this afternoon. Highs in the mid 80s. Southwest Winds 10 to 15 Mph. Chance of rain 90 percent.

Tonight 10 Aug Westmoreland

A chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Real-Time

Irwin Temperature Statistics

August Temperature

Pittsburgh - Allegheny County Airport (11.2 miles)

  • Lowest 4 August, 2026

    60.1 °F

  • Average August

    73.7 °F

  • Highest 4 August, 2026

    86 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (11.2 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
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