Irwin Weather Forecast

    • 68
    • 84

    Rain Showers Likely

    • 64
    • 82

    Rain Showers

    • 65
    • 82

    Chance Thunderstorms

    • 64
    • 83

    Chance Thunderstorms

    • 57
    • 81

    Slight Chance Thunderstorms

    • 62
    • 81

    Chance Thunderstorms

    • 66
    • 84

    Rain Showers Likely

Today 10 Aug Westmoreland

Showers with a chance of Thunderstorms. Some Thunderstorms may produce damaging Winds and large hail. Highs in the lower 80s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

Tonight 10 Aug Westmoreland

Showers likely with a chance of Thunderstorms. Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Irwin Temperature Statistics

August Temperature

Pittsburgh - Allegheny County Airport (11.2 miles)

  • Lowest 4 August, 2026

    60.1 °F

  • Average August

    73.7 °F

  • Highest 4 August, 2026

    86 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (11.2 miles)

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

  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
Get WillyWeather+ to remove ads