Glenshaw Weather Forecast

    • 30
    • 35

    Mostly Cloudy

    • 45
    • 58

    Rain

    • 21
    • 49

    Snow Showers

    • 20
    • 27

    Chance Snow Showers

    • 22
    • 32

    Snow Showers Likely

    • 14
    • 30

    Chance Snow Showers

    • 16
    • 26

    Partly Sunny

Today 27 Dec Allegheny

Considerable cloudiness. Near steady temperature in the upper 30s. North Winds around 5 Mph Early, becoming light and variable.

Tonight 27 Dec Allegheny

Mostly cloudy. Lows around 30. East Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Glenshaw Temperature Statistics

December Temperature

Pittsburgh - Allegheny County Airport (12.4 miles)

  • Lowest 15 December, 2025

    7 °F

  • Average December

    29.9 °F

  • Highest 18 December, 2025

    57.9 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (12.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    63.3 °F
Get WillyWeather+ to remove ads