Mount Gretna Weather Forecast

    • 63
    • 82

    Increasing Clouds

    • 65
    • 80

    Rain Showers

    • 59
    • 80

    Slight Chance Rain Showers

    • 62
    • 82

    Partly Sunny

    • 63
    • 82

    Rain Showers Likely

    • 62
    • 82

    Chance Thunderstorms

Today 21 Jun Lebanon

Sunny. Highs in the lower 80s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 21 Jun Lebanon

Partly cloudy. Lows in the upper 50s. West Winds around 5 Mph.

Graph Plots Open in Graphs

  • 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

    71.9 °F

  • Highest 12 June, 2026

    95 °F

Climate (2021–2026)

Lancaster, Lancaster Airport (12.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.1 °F
Get WillyWeather+ to remove ads