Irwin Weather Forecast

    • 41
    • 63

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 45
    • 72

    Mostly Sunny

    • 44
    • 68

    Partly Sunny

    • 51
    • 72

    Partly Sunny

    • 54
    • 72

    Mostly Cloudy

Today 6 Oct Westmoreland

Patchy fog in the morning. Sunny. Highs in the lower 60s. Light and variable Winds.

Tonight 6 Oct Westmoreland

Clear. Lows in the lower 40s. Light and variable Winds, becoming south around 5 Mph after midnight.

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Irwin Temperature Statistics

October Temperature

Pittsburgh - Allegheny County Airport (11.2 miles)

  • Lowest 3 October, 2026

    48.9 °F

  • Average October

    64.1 °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

    63.3 °F
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