Mount Gretna Weather Forecast

    • 61
    • 81

    Mostly Sunny

    • 65
    • 85

    Mostly Sunny

    • 69
    • 87

    Mostly Sunny

    • 71
    • 87

    Chance Thunderstorms

    • 69
    • 86

    Rain Showers Likely

    • 69
    • 86

    Chance Rain Showers

Today 4 Jul Lebanon

Sunny. Highs in the lower 80s. Northwest Winds around 5 Mph.

Tonight 4 Jul Lebanon

Mostly clear. Lows in the lower 60s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Gretna Temperature Statistics

July Temperature

Lancaster, Lancaster Airport (12.4 miles)

  • Lowest 1 July, 2025

    72 °F

  • Average July

    76.8 °F

  • Highest 1 July, 2025

    89.1 °F

Climate (2020–Present)

Lancaster, Lancaster Airport (12.4 miles)

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  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    56 °F

  • Average High 2020–2025

    65.7 °F
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