Herminie Weather Forecast

    • 54
    • 84

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

    • 60
    • 85

    Partly Sunny

    • 61
    • 85

    Partly Sunny

    • 61
    • 85

    Partly Sunny

    • 60
    • 83

    Chance Rain Showers

Today 18 Sep Westmoreland

Patchy dense fog in the morning. Mostly sunny. Warm with Highs in the mid 80s. Southwest Winds around 5 Mph, becoming west around 5 Mph in the afternoon.

Tonight 18 Sep Westmoreland

Clear. Patchy fog after midnight. Lows in the mid 50s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Herminie Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (12.4 miles)

  • Lowest 8 September, 2025

    45 °F

  • Average September

    65.3 °F

  • Highest 15 September, 2025

    82.9 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (12.4 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    63.3 °F
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