Mount Gretna Weather Forecast

    • 34
    • 61

    Mostly Sunny

    • 36
    • 61

    Sunny

    • 38
    • 63

    Sunny

    • 45
    • 67

    Mostly Sunny

    • 43
    • 64

    Partly Sunny

    • 46
    • 62

    Mostly Cloudy

    • 48
    • 68

    Partly Sunny

Today 23 Oct Lebanon

Mostly sunny. Highs in the upper 60s.

Tonight 23 Oct Lebanon

Partly cloudy this Evening, then becoming mostly clear. Widespread frost after midnight. Cooler with Lows in the lower 30s. East Winds around 5 Mph this Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Gretna Temperature Statistics

October Temperature

Lancaster, Lancaster Airport (12.4 miles)

  • Lowest 18 October, 2026

    34 °F

  • Average October

    58.9 °F

  • Highest 2 October, 2026

    84 °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

    45.8 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    65 °F
Get WillyWeather+ to remove ads