North Irwin Weather Forecast

    • 48
    • 72

    Slight Chance Rain Showers

    • 50
    • 74

    Partly Sunny

    • 55
    • 76

    Mostly Cloudy

    • 47
    • 71

    Mostly Sunny

    • 49
    • 73

    Partly Sunny

    • 53
    • 77

    Mostly Sunny

Today 26 Aug Westmoreland

Mostly sunny. A slight chance of Showers in the afternoon. Highs in the lower 70s. Southwest Winds 5 to 10 Mph, becoming west in the afternoon. Chance of rain 20 percent.

Tonight 26 Aug Westmoreland

Mainly clear. Cool with Lows in the upper 40s. Northwest Winds 5 to 10 Mph, becoming southwest after midnight.

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North Irwin Temperature Statistics

August Temperature

Pittsburgh - Allegheny County Airport (10.6 miles)

  • Lowest 3 August, 2025

    56.6 °F

  • Average August

    74.3 °F

  • Highest 12 August, 2025

    91.7 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (10.6 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    54.7 °F

  • Average High 2020–2025

    63.4 °F
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