Mount Gretna Weather Forecast

    • 59
    • 81

    Mostly Sunny

    • 64
    • 84

    Partly Sunny

    • 68
    • 83

    Rain Showers

    • 65
    • 79

    Chance Thunderstorms

    • 65
    • 86

    Partly Sunny

    • 68
    • 89

    Partly Sunny

Today 24 Jun Lebanon

Sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 24 Jun Lebanon

Mostly clear. Lows in the upper 50s. Northwest Winds around 5 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Gretna Temperature Statistics

June Temperature

Lancaster, Lancaster Airport (12.4 miles)

  • Lowest 2 June, 2026

    46.9 °F

  • Average June

    71.8 °F

  • Highest 12 June, 2026

    95 °F

Climate (2021–2026)

Lancaster, Lancaster Airport (12.4 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.1 °F
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