Mount Gretna Weather Forecast

    • 65
    • 77

    Rain Showers Likely

    • 64
    • 76

    Chance Rain Showers

    • 66
    • 81

    Slight Chance Thunderstorms

    • 70
    • 86

    Chance Thunderstorms

    • 68
    • 88

    Rain Showers Likely

    • 65
    • 84

    Chance Rain Showers

Today 6 Jul Lebanon

Cloudy. A chance of Showers this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Some Thunderstorms may produce heavy rainfall this afternoon. Not as warm with Highs in the upper 70s. East Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 6 Jul Lebanon

A chance of Thunderstorms in the evening. Cloudy with a chance of Showers. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the mid 60s. East Winds 10 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Gretna Temperature Statistics

July Temperature

Lancaster, Lancaster Airport (12.4 miles)

  • Lowest 1 July, 2026

    70 °F

  • Average July

    87.5 °F

  • Highest 2 July, 2026

    102.9 °F

Climate (2021–2026)

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

    65.1 °F
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