Upper Lawn Weather Forecast

    • 24
    • 40

    Gradual Clearing

    • 23
    • 40

    Mostly Cloudy

    • 12
    • 31

    Partly Sunny

    • 26
    • 35

    Mostly Cloudy

    • 31
    • 44

    Chance Rain Showers

    • 25
    • 40

    Slight Chance Rain/Snow

Today 6 Dec Lebanon

Mostly cloudy. Not as cool with Highs in the upper 30s. Southwest Winds 5 to 10 Mph.

Tonight 6 Dec Lebanon

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 20s. West Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Lawn Temperature Statistics

December Temperature

Harrisburg, Harrisburg International Airport (11.2 miles)

  • Lowest 1 December, 2025

    27 °F

  • Average December

    34 °F

  • Highest 1 December, 2025

    42.1 °F

Climate (2020–Present)

Harrisburg, Harrisburg International Airport (11.2 miles)

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

  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    65.2 °F
Get WillyWeather+ to remove ads