Irwin Weather Forecast

    • 40
    • 82

    Rain Showers

    • 33
    • 54

    Chance Rain Showers

    • 26
    • 46

    Mostly Sunny

    • 48
    • 63

    Partly Sunny

    • 46
    • 69

    Chance Rain Showers

    • 53
    • 77

    Partly Sunny

Today 18 Apr Westmoreland

Mostly cloudy with a chance of Showers and Thunderstorms. Unseasonably warm. Near steady temperature in the lower 80s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 50 percent.

Tonight 18 Apr Westmoreland

Showers. Lows around 40. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Graph Plots Open in Graphs

  • 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)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
Get WillyWeather+ to remove ads