Irwin Weather Forecast

    • 33
    • 58

    Rain Showers

    • 31
    • 54

    Mostly Cloudy

    • 44
    • 59

    Partly Sunny

    • 56
    • 70

    Chance Rain Showers

    • 53
    • 74

    Rain Showers

    • 46
    • 65

    Rain Showers Likely

    • 39
    • 58

    Rain Showers Likely

Today 1 May Westmoreland

Showers likely with a slight chance of Thunderstorms. Cool. Near steady temperature in the mid 50s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 1 May Westmoreland

Mostly cloudy. Rain Showers likely with a slight chance of Thunderstorms this evening. Patchy fog and frost after midnight. Unseasonably cold with Lows in the lower 30s. West Winds 5 to 10 Mph. Chance of rain 70 percent.

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Irwin Temperature Statistics

May Temperature

Pittsburgh - Allegheny County Airport (11.2 miles)

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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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