Mount Gretna Weather Forecast

    • 43
    • 54

    Mostly Cloudy

    • 47
    • 69

    Rain Showers

    • 27
    • 52

    Chance Rain Showers

    • 30
    • 45

    Partly Sunny

    • 37
    • 52

    Partly Sunny

    • 44
    • 60

    Partly Sunny

Today 25 Mar Lebanon

Mostly cloudy. Highs in the mid 50s. South Winds 5 to 10 Mph.

Tonight 25 Mar Lebanon

Partly cloudy. Lows in the lower 30s. Southwest Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Gretna Temperature Statistics

March Temperature

Lancaster, Lancaster Airport (12.4 miles)

  • Lowest 18 March, 2026

    21 °F

  • Average March

    45.1 °F

  • Highest 10 March, 2026

    80.1 °F

Climate (2021–Present)

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

    55.6 °F

  • Average High 2021–2026

    65.2 °F
Get WillyWeather+ to remove ads