Irwin Weather Forecast

    • 61
    • 79

    Partly Sunny

    • 60
    • 74

    Rain Showers Likely

    • 63
    • 81

    Chance Thunderstorms

    • 63
    • 84

    Chance Rain Showers

    • 60
    • 82

    Chance Rain Showers

    • 58
    • 80

    Chance Rain Showers

Today 12 Apr Westmoreland

Mostly sunny this Morning, then becoming partly sunny. Warm with Highs in the upper 70s. Southeast Winds 5 to 10 Mph, becoming southwest with Gusts up to 20 Mph this afternoon.

Tonight 12 Apr Westmoreland

Mostly cloudy in the Evening, then becoming partly cloudy. Mild. Lows in the lower 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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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

    54.5 °F

  • Highest 4 April, 2026

    82 °F

Climate (2021–Present)

Pittsburgh - Allegheny County Airport (11.2 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    63.3 °F
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