Greensburg Weather Forecast

    • 39
    • 58

    Rain

    • 18
    • 41

    Rain

    • 29
    • 47

    Mostly Cloudy

    • 18
    • 35

    Partly Sunny

    • 26
    • 36

    Chance Rain/Snow

    • 34
    • 45

    Chance Rain

    • 37
    • 46

    Chance Rain

Today 18 Dec Westmoreland

Partly sunny with a 40 percent chance of rain. Mild. Near steady temperature in the mid 50s. South Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 18 Dec Westmoreland

Rain. Lows in the upper 30s. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.

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Greensburg Temperature Statistics

December Temperature

Latrobe / Westmorland (7.5 miles)

  • Lowest 15 December, 2025

    5 °F

  • Average December

    26.2 °F

  • Highest 10 December, 2025

    44.6 °F

Climate (2020–Present)

Latrobe / Westmorland (7.5 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    62.6 °F
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