Herminie Weather Forecast

    • 53
    • 71

    Increasing Clouds

    • 44
    • 68

    Rain Showers

    • 42
    • 56

    Chance Rain Showers

    • 52
    • 69

    Mostly Cloudy

    • 59
    • 83

    Chance Rain Showers

    • 63
    • 85

    Slight Chance Thunderstorms

Today 12 May Westmoreland

Mostly sunny. Highs in the lower 70s. Light and variable Winds, becoming southwest around 5 Mph.

Tonight 12 May Westmoreland

Mostly cloudy. A slight chance of Showers after midnight. Lows in the lower 50s. South Winds 5 to 10 Mph. Gusts up to 25 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Herminie Temperature Statistics

May Temperature

Pittsburgh - Allegheny County Airport (12.4 miles)

  • Lowest 2 May, 2026

    34 °F

  • Average May

    52.7 °F

  • Highest 5 May, 2026

    73.9 °F

Climate (2021–Present)

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

    63.4 °F
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