Herminie Weather Forecast

    • 49
    • 65

    Mostly Cloudy

    • 42
    • 66

    Partly Sunny

    • 45
    • 69

    Mostly Sunny

    • 47
    • 70

    Mostly Sunny

    • 49
    • 69

    Partly Sunny

    • 50
    • 71

    Mostly Sunny

Today 23 Sep Westmoreland

Partly sunny this Morning, then becoming partly cloudy. Highs in the mid 60s. East Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 23 Sep Westmoreland

Mostly cloudy. Lows in the upper 40s. East Winds 10 to 15 Mph.

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Herminie Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (12.4 miles)

  • Lowest 15 September, 2026

    53.1 °F

  • Average September

    71.5 °F

  • Highest 2 September, 2026

    91 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (12.4 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
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