Irwin Weather Forecast

    • 14
    • 24

    Mostly Cloudy

    • 3
    • 31

    Snow

    • -4
    • 12

    Partly Sunny

    • 2
    • 18

    Mostly Cloudy

    • 15
    • 28

    Mostly Cloudy

    • 29
    • 41

    Chance Rain

    • 30
    • 44

    Chance Rain

Today 5 Feb Westmoreland

Partly sunny. Highs in the lower 20s. West Winds around 5 Mph.

Tonight 5 Feb Westmoreland

Mostly cloudy. Lows around 14. Southwest Winds around 5 Mph.

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Irwin Temperature Statistics

February Temperature

Pittsburgh - Allegheny County Airport (11.2 miles)

  • Lowest 1 February, 2026

    1.9 °F

  • Average February

    18.1 °F

  • Highest 3 February, 2026

    28 °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

    63.2 °F
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