Irwin Weather Forecast

    • 67
    • 85

    Rain Showers

    • 65
    • 83

    Rain Showers Likely

    • 66
    • 85

    Chance Thunderstorms

    • 68
    • 86

    Rain Showers Likely

    • 66
    • 84

    Rain Showers

    • 63
    • 82

    Chance Rain Showers

Today 6 Jul Westmoreland

Mostly cloudy. Patchy fog this morning. A chance of Showers and Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Highs in the mid 80s. Southeast Winds around 5 Mph, becoming west this afternoon. Chance of rain 70 percent.

Tonight 6 Jul Westmoreland

Mostly cloudy with Showers with Thunderstorms likely in the Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Patchy fog. Humid with Lows in the upper 60s. East Winds around 5 Mph. Chance of rain 80 percent.

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Irwin Temperature Statistics

July Temperature

Pittsburgh - Allegheny County Airport (11.2 miles)

  • Lowest 3 July, 2026

    73.9 °F

  • Average July

    84.1 °F

  • Highest 2 July, 2026

    93 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (11.2 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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