Mount Gretna Weather Forecast

    • 47
    • 73

    Becoming Sunny

    • 48
    • 70

    Mostly Sunny

    • 55
    • 70

    Mostly Cloudy

    • 61
    • 64

    Rain

    • 59
    • 71

    Partly Sunny

    • 54
    • 74

    Slight Chance Rain

    • 49
    • 65

    Partly Sunny

Today 8 Oct Lebanon

Mostly sunny. Highs in the mid 60s.

Tonight 8 Oct Lebanon

Clear. Patchy fog after midnight. Lows in the upper 40s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Gretna Temperature Statistics

October Temperature

Lancaster, Lancaster Airport (12.4 miles)

  • Lowest 6 October, 2026

    44.1 °F

  • Average October

    62.4 °F

  • Highest 2 October, 2026

    84 °F

Climate (2021–2026)

Lancaster, Lancaster Airport (12.4 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65 °F
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