Irwin Weather Forecast

    • 30
    • 52

    Gradual Clearing

    • 28
    • 51

    Partly Sunny

    • 37
    • 52

    Rain

    • 45
    • 56

    Rain

    • 30
    • 56

    Chance Rain

    • 24
    • 42

    Mostly Cloudy

Today 22 Nov Westmoreland

Considerable cloudiness with a chance of Sprinkles in the Morning, then partly cloudy in the afternoon. Highs in the lower 50s. Northwest Winds around 5 Mph.

Tonight 22 Nov Westmoreland

Partly cloudy. Patchy fog. Lows in the lower 30s. Northwest Winds around 5 Mph, becoming southwest after midnight.

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Irwin Temperature Statistics

November Temperature

Pittsburgh - Allegheny County Airport (11.2 miles)

  • Lowest 11 November, 2025

    23 °F

  • Average November

    43.7 °F

  • Highest 5 November, 2025

    64 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (11.2 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    54.7 °F

  • Average High 2020–2025

    63.3 °F
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