Irwin Weather Forecast

    • 49
    • 69

    Becoming Sunny

    • 56
    • 75

    Slight Chance Rain Showers

    • 63
    • 79

    Rain Showers

    • 60
    • 83

    Rain Showers Likely

    • 56
    • 76

    Slight Chance Thunderstorms

    • 56
    • 76

    Partly Sunny

Today 15 Jun Westmoreland

Partly sunny this Morning, then becoming partly cloudy. Unseasonably cool with Highs in the upper 60s. Northwest Winds 5 to 10 Mph.

Tonight 15 Jun Westmoreland

Clear. Lows in the upper 40s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming south after midnight.

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Irwin Temperature Statistics

June Temperature

Pittsburgh - Allegheny County Airport (11.2 miles)

  • Lowest 1 June, 2026

    52 °F

  • Average June

    71.3 °F

  • Highest 11 June, 2026

    88 °F

Climate (2021–Present)

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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