Irwin Weather Forecast

    • 58
    • 81

    Rain Showers

    • 46
    • 70

    Rain Showers Likely

    • 43
    • 64

    Partly Sunny

    • 50
    • 71

    Rain Showers

    • 53
    • 71

    Chance Rain Showers

    • 46
    • 69

    Chance Rain Showers

Today 24 Apr Westmoreland

Mostly sunny. A slight chance of Showers in the afternoon. Unseasonably warm with Highs around 80. West Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 24 Apr Westmoreland

Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms in the Evening, then a chance of Thunderstorms after midnight. Mild. Lows in the upper 50s. South Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Irwin Temperature Statistics

April Temperature

Pittsburgh - Allegheny County Airport (11.2 miles)

  • Lowest 8 April, 2026

    26.1 °F

  • Average April

    58.8 °F

  • Highest 15 April, 2026

    82.9 °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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