Mount Gretna Weather Forecast

    • 41
    • 57

    Gradual Clearing

    • 42
    • 67

    Mostly Sunny

    • 48
    • 65

    Chance Rain Showers

    • 48
    • 63

    Rain Showers Likely

    • 41
    • 59

    Slight Chance Rain Showers

    • 39
    • 59

    Chance Rain Showers

Today 26 Apr Lebanon

Patchy fog this morning. Cloudy with patchy drizzle this Morning, then partly sunny this afternoon. Highs in the upper 50s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 26 Apr Lebanon

Partly cloudy in the Evening, then clearing. Lows around 40. Northeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Gretna Temperature Statistics

April Temperature

Lancaster, Lancaster Airport (12.4 miles)

  • Lowest 8 April, 2026

    27 °F

  • Average April

    56 °F

  • Highest 16 April, 2026

    88 °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

    46 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    65.2 °F
Get WillyWeather+ to remove ads