Mount Gretna Weather Forecast

    • 63
    • 86

    Increasing Clouds

    • 56
    • 77

    Slight Chance Rain Showers

    • 49
    • 78

    Mostly Cloudy

    • 36
    • 60

    Chance Rain Showers

    • 32
    • 49

    Mostly Sunny

    • 47
    • 61

    Partly Sunny

Today 16 Apr Lebanon

Mostly sunny. Continued Unseasonably hot with Highs in the mid 80s. Southwest Winds 5 to 10 Mph.

Tonight 16 Apr Lebanon

Mostly cloudy. Unseasonably mild. Lows in the mid 60s. West Winds around 5 Mph.

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  • 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

    52.5 °F

  • Highest 4 April, 2026

    80.1 °F

Climate (2021–Present)

Lancaster, Lancaster Airport (12.4 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    65.2 °F
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