Mount Gretna Weather Forecast

    • 78
    • 101

    Hot

    • 73
    • 98

    Chance Thunderstorms

    • 70
    • 90

    Rain Showers

    • 66
    • 82

    Rain Showers

    • 66
    • 83

    Chance Thunderstorms

    • 67
    • 85

    Slight Chance Thunderstorms

Today 3 Jul Lebanon

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds and frequent lightning in the afternoon. Very hot. Humid with Highs around 100. West Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 110.

Tonight 3 Jul Lebanon

Mostly clear. Very warm with Lows in the upper 70s. Northwest Winds around 5 Mph.

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Mount Gretna Temperature Statistics

July Temperature

Lancaster, Lancaster Airport (12.4 miles)

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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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