Lewisburg Weather Forecast

    • 55
    • 82

    Mostly Sunny

    • 60
    • 87

    Increasing Clouds

    • 65
    • 88

    Mostly Cloudy

    • 64
    • 84

    Slight Chance Rain Showers

    • 62
    • 82

    Slight Chance Thunderstorms

    • 62
    • 83

    Partly Sunny

    • 66
    • 85

    Partly Sunny

Today 3 Aug Union

Sunny. Near steady temperature in the upper 70s. East Winds around 5 Mph.

Tonight 3 Aug Union

Clear. Lows in the mid 50s. Light and variable Winds.

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Lewisburg Temperature Statistics

August Temperature

Selinsgrove Penn Valley Airport (9.9 miles)

  • Lowest 1 August, 2025

    57.9 °F

  • Average August

    66.5 °F

  • Highest 1 August, 2025

    77 °F

Climate (2020–Present)

Selinsgrove Penn Valley Airport (9.9 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    63.2 °F
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