Irwin Weather Forecast

    • 64
    • 82

    Mostly Sunny

    • 54
    • 77

    Rain Showers Likely

    • 59
    • 71

    Rain Showers

    • 37
    • 68

    Rain Showers Likely

    • 32
    • 52

    Mostly Sunny

    • 36
    • 60

    Mostly Sunny

Today 13 Oct Westmoreland

Sunny. Unseasonably warm with Highs around 80. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 13 Oct Westmoreland

Mainly clear. Mild. Lows in the mid 60s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Irwin Temperature Statistics

October Temperature

Pittsburgh - Allegheny County Airport (11.2 miles)

  • Lowest 7 October, 2026

    41 °F

  • Average October

    59.2 °F

  • Highest 1 October, 2026

    81 °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

    63.2 °F
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