Herminie Weather Forecast

    • 33
    • 43

    Rain

    • 32
    • 49

    Rain

    • 35
    • 44

    Rain Likely

    • 50
    • 58

    Rain

    • 43
    • 61

    Rain Likely

    • 36
    • 54

    Chance Rain

Today 22 Dec Westmoreland

Sunny this Morning, then partly sunny with a chance of Sprinkles with a slight chance of snow this afternoon. Highs in the lower 40s. South Winds around 5 Mph. Chance of precipitation 20 percent.

Tonight 22 Dec Westmoreland

Cloudy. A chance of rain in the Evening, then rain after midnight. Near steady temperature in the mid 30s. Southeast Winds around 5 Mph, becoming south with Gusts up to 20 Mph after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Herminie Temperature Statistics

December Temperature

Pittsburgh - Allegheny County Airport (12.4 miles)

  • Lowest 15 December, 2025

    7 °F

  • Average December

    28.2 °F

  • Highest 18 December, 2025

    57.9 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (12.4 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    63.3 °F
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