Glenshaw Weather Forecast

    • 34
    • 45

    Rain

    • 31
    • 40

    Mostly Cloudy

    • 48
    • 59

    Rain

    • 21
    • 55

    Rain/Snow Likely

    • 22
    • 28

    Chance Snow

    • 17
    • 32

    Chance Snow

    • 12
    • 24

    Mostly Cloudy

Today 26 Dec Allegheny

Rain with a slight chance of Thunderstorms. Highs in the upper 40s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 26 Dec Allegheny

Cloudy. Rain likely with a slight chance of Thunderstorms in the evening. Lows in the mid 30s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

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

    29.6 °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 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    63.3 °F
Get WillyWeather+ to remove ads