Upper Lawn Weather Forecast

    • 30
    • 34

    Decreasing Clouds

    • 22
    • 43

    Partly Sunny

    • 7
    • 34

    Mostly Cloudy

    • 10
    • 17

    Snow

    • 13
    • 19

    Snow Likely

    • 5
    • 22

    Partly Sunny

    • 5
    • 21

    Partly Sunny

Today 21 Jan Lebanon

Cloudy with a 20 percent chance of snow. Not as cool. Near steady temperature in the lower 30s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 21 Jan Lebanon

Mostly cloudy. A slight chance of snow this evening. Not as cool with Lows around 30. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Lawn Temperature Statistics

January Temperature

Harrisburg, Harrisburg International Airport (11.2 miles)

  • Lowest 19 January, 2026

    15.1 °F

  • Average January

    32.8 °F

  • Highest 7 January, 2026

    57 °F

Climate (2021–Present)

Harrisburg, Harrisburg International Airport (11.2 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    56 °F

  • Average High 2021–2026

    65.1 °F
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