Irwin Weather Forecast

    • 65
    • 87

    Mostly Sunny

    • 70
    • 92

    Sunny

    • 69
    • 95

    Mostly Sunny

    • 66
    • 92

    Partly Sunny

    • 68
    • 90

    Partly Sunny

    • 67
    • 88

    Rain Showers Likely

Today 13 Jul Westmoreland

Mostly sunny. Highs in the upper 80s. Southeast Winds around 5 Mph.

Tonight 13 Jul Westmoreland

Clear. Patchy fog after midnight. Humid with Lows in the mid 60s. South Winds around 5 Mph.

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Irwin Temperature Statistics

July Temperature

Pittsburgh - Allegheny County Airport (11.2 miles)

  • Lowest 5 July, 2026

    68 °F

  • Average July

    77.8 °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

    63.4 °F
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