Mount Gretna Weather Forecast

    • 67
    • 76

    Rain

    • 66
    • 83

    Chance Rain Showers

    • 67
    • 86

    Partly Sunny

    • 71
    • 90

    Partly Sunny

    • 76
    • 95

    Mostly Sunny

    • 76
    • 96

    Mostly Sunny

Today 27 Jun Lebanon

Rain likely in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Humid with Highs in the upper 70s. East Winds around 5 Mph. Chance of rain 70 percent.

Tonight 27 Jun Lebanon

Rain likely. Lows in the upper 60s. Northeast Winds around 5 Mph. Chance of rain 60 percent.

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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

    71.6 °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

    55.6 °F

  • Average High 2021–2026

    65.1 °F
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