Irwin Weather Forecast

    • -8
    • 16

    Decreasing Clouds

    • -9
    • 15

    Partly Sunny

    • -2
    • 14

    Mostly Cloudy

    • 3
    • 18

    Mostly Cloudy

    • 13
    • 25

    Mostly Cloudy

    • 14
    • 30

    Slight Chance Snow

Today 29 Jan Westmoreland

Partly sunny Early, then becoming mostly cloudy. A chance of Flurries. Very cold with Highs around 15. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 29 Jan Westmoreland

Partly cloudy with a chance of Flurries. Frigid. Lows around 8 below. West Winds around 5 Mph.

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Irwin Temperature Statistics

January Temperature

Pittsburgh - Allegheny County Airport (11.2 miles)

  • Lowest 24 January, 2026

    0 °F

  • Average January

    26.7 °F

  • Highest 9 January, 2026

    64.9 °F

Climate (2021–Present)

Pittsburgh - Allegheny County Airport (11.2 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    63.3 °F
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