Mount Gretna Weather Forecast

    • 62
    • 79

    Decreasing Clouds

    • 65
    • 85

    Partly Sunny

    • 68
    • 87

    Rain Showers Likely

    • 67
    • 81

    Rain Showers Likely

    • 65
    • 83

    Slight Chance Thunderstorms

    • 66
    • 84

    Slight Chance Thunderstorms

Today 30 Jul Lebanon

Mostly cloudy. Highs around 80. North Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 30 Jul Lebanon

Partly cloudy in the Evening, then clearing. Lows in the lower 60s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Gretna Temperature Statistics

July Temperature

Lancaster, Lancaster Airport (12.4 miles)

  • Lowest 24 July, 2026

    54 °F

  • Average July

    75.9 °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

    55.5 °F

  • Average High 2021–2026

    65.1 °F
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