Irwin Weather Forecast

    • 64
    • 87

    Increasing Clouds

    • 64
    • 85

    Rain Showers

    • 60
    • 84

    Partly Sunny

    • 63
    • 86

    Mostly Sunny

    • 66
    • 87

    Partly Sunny

    • 68
    • 87

    Chance Thunderstorms

Today 5 Jun Westmoreland

Partly cloudy. Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 5 Jun Westmoreland

Partly cloudy. Lows in the mid 60s. Southwest Winds 5 to 10 Mph.

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Irwin Temperature Statistics

June Temperature

Pittsburgh - Allegheny County Airport (11.2 miles)

  • Lowest 1 June, 2026

    52 °F

  • Average June

    64 °F

  • Highest 1 June, 2026

    73.9 °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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