Irwin Weather Forecast

    • 67
    • 85

    Rain Showers

    • 63
    • 81

    Rain Showers

    • 60
    • 77

    Rain Showers Likely

    • 59
    • 80

    Slight Chance Thunderstorms

    • 62
    • 82

    Partly Sunny

    • 66
    • 84

    Slight Chance Thunderstorms

    • 65
    • 84

    Chance Thunderstorms

Today 27 Jul Westmoreland

Partly sunny with scattered Showers and Thunderstorms. Highs in the mid 80s. Southwest Winds around 5 Mph. Chance of rain 40 percent.

Tonight 27 Jul Westmoreland

Mostly cloudy with scattered Thunderstorms. Scattered Showers this Evening, then numerous Showers after midnight. Lows in the mid 60s. South Winds around 5 Mph, becoming southwest 10 to 15 Mph with Gusts up to 25 Mph after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Irwin Temperature Statistics

July Temperature

Pittsburgh - Allegheny County Airport (11.2 miles)

  • Lowest 23 July, 2026

    53.1 °F

  • Average July

    75.3 °F

  • Highest 2 July, 2026

    93 °F

Climate (2021–2026)

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

    63.3 °F
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